Category Archives: Fish

Time to rethink how contaminants get into Puget Sound food web

For years, I have been told the story of how PCBs and other toxic chemicals cling to soil particles and tiny organic debris as polluted water washes off the land.

Richard Henderson of the Skagit River System Cooperative uses a beach seine to catch juvenile chinook salmon near the Skagit River delta. Fish from this rural area were found to be less contaminated than fish taken from urban areas. Photo: WDFW
Richard Henderson of the Skagit River System Cooperative uses a beach seine to catch juvenile chinook salmon near the Skagit River delta. Fish from this rural area were found to be less contaminated than fish taken from urban bays. // Photo: WDFW

Eventually, the PCB-laden particles are carried into Puget Sound, where they settle to the bottom. From there, they begin working their way into marine animals, disrupting their normal functions — such as growth, immune response and reproduction.

The idea that contaminants settle to the bottom is the story I’ve been told for as long as I can remember, a story long accepted among the scientific community in Puget Sound and across the U.S. So I was surprised when I heard that leading scientists who study toxic chemicals in Puget Sound were questioning this long-held idea about how dangerous chemicals get into the food web.

Puget Sound may be different from other waterways, they said.

“When you look at the concentrations in herring and the concentrations in the sediments, something does not line up,” Jim West told me. “The predictions are way off. We think there is a different mechanism.”

Jim is a longtime researcher for the Washington Department of Fish and Wildlife. I have worked with him through the years on various stories about the effects of contaminants on marine organisms. But now he was talking about changing the basic thinking about how chemicals are transferred through the food web.

Jim postulates that many of these PCB-laden particles that wash down with stormwater never sink to the bottom of Puget Sound. Instead, they are taken up by tiny organisms floating in the water. The organisms, including bacteria and phytoplankton, are eaten by larger plankton and become incorporated into fish and other free-swimming creatures — the pelagic food web.

Jim presented his findings at the Salish Sea Ecosystem Conference last month in Vancouver, B.C. Sandie O’Neill, another WDFW researcher, presented other new information about the transfer of contaminants through the food web — from plankton to herring to salmon to killer whales.

My stories about the studies conducted by Jim and Sandie (with help from a team of skilled scientists) were published today in the Encyclopedia of Puget Sound, where you can read them. These are the first of at least 10 story packages to be to written by a team of reporters working for the Puget Sound Institute.

The Salish Sea conference was attended by more than 1,100 people, including 450 researchers and policymakers who talked about new information related to the Salish Sea — which includes Puget Sound in Washington, the Strait of Georgia in British Columbia and the Strait of Juan de Fuca on the U.S./Canada border.

When I first heard about Jim West’s idea regarding the fate of toxic chemicals circulating in Puget Sound, I thought one result might be to shift restoration dollars away from cleaning up sediments to cleaning up stormwater. After all, if the majority of PCBs aren’t getting into the sediments, why spend millions of dollars cleaning up the stuff on the bottom? Why not devote that money to cleaning up stormwater?

In fact, the worst of the contaminated sediments in Puget Sound have been cleaned up, with some cleanups now under way. That helps to ensure that toxic chemicals won’t get re-suspended in the water and taken up into the pelagic food web all over again. A few hotspots of contaminated sediments may still need some attention.

As far as putting the focus on stormwater, that’s exactly what the Puget Sound Partnership has done with support from the Department of Ecology and other clean-water agencies. It is now well established that the key to reducing pollution in Puget Sound is to keep toxic chemicals out of stormwater or else create settling ponds, rain gardens, pervious pavement and other methods to capture the PCB-laden particles before they reach Puget Sound.

I noticed that Ecology just today announced a new round of regulations to control stormwater in King, Pierce, Snohomish and Clark counties. Proposed changes include updating stormwater programs for new construction projects and for redevelopment. An appendix will describe Seattle’s plan to reduce stormwater pollution in the Lower Duwamish River, where PCBs are a major problem. For more on stormwater regulations, go to Ecology’s website.

As Sandie told me during our discussions, all the work on fixing habitat in Puget Sound streams is not enough if we can’t control the discharge of PCB’s — which were banned in the 1970s — along with newer contaminants still working their way into our beloved waterway. Any measure of healthy habitat must include an understanding of the local chemistry.

‘Sonic Sea’ movie takes us to the underwater world of sound

“Sonic Sea,” which will air Thursday on Discovery Channel, will take you down beneath the ocean waves, where sounds take on new meaning, some with dangerous implications.

Humans spend most of their time in air, a medium that transmits light so well that we have no trouble seeing the shapes of objects in a room or mountains many miles away. In the same way, water is the right medium for sound, which shapes the world of marine mammals and other species that live under water.

The hour-long documentary film reveals how humpback whales use low-frequency sounds to communicate with other whales across an entire ocean and how killer whales use high-frequency sound to locate their prey in dark waters.

Michael Jasny
Michael Jasny

“The whales see the ocean through sound, so their mind’s eye is their mind’s ear,” says Michael Jasny of the Natural Resources Defense Council, an environment group that produced the film with the help of the production company Imaginary Forces.

“Sonic Sea” opens with Ken Balcomb, dean of killer whale research in Puget Sound, telling the story of how he learned about 16 beaked whales that had beached themselves in the Bahamas, where he was doing research in 2001.

“Animals that I had grown to know over a 10-year period were now dead,” Ken says during the movie, recalling the horrifying day when one whale after another was discovered dead or dying. “They were trying to get away. I was driven to find out why.”

Ken Balcomb
Ken Balcomb

Thanks to Ken’s presence during that stranding incident, experts were able to prove that Navy sonar could be deadly. It took two years for Navy officials to overcome their denial.

As I watched the film, I wondered if people would identify with the idea that hearing to marine mammals is like sight to humans. Would people see how much humans have invaded the underwater world with noise from ship traffic, oil exploration, military training and shoreline construction?

“I listen to the world, and to me song is life,” said Chris Clark, a bioacoustics expert at Cornell Lab of Ornithology,. “It is the essence of who we are, and it joins us all. The problem is, in the ocean, we are injecting enormous amounts of noise, so much so that we are acoustically bleaching the ocean. All the singing voices of the planet are lost in that cloud of noise.”

Chris Clark
Chris Clark

This type of human invasion is different from wiping out habitat as new construction changes the land, but the effect can be equally devastating to some species.

In September of 2001, a group of researchers on the East Coast were collecting fecal samples from right whales to check for stress hormones. Stress levels were running high among the whales, except for a few days when the levels dropped dramatically. That happened right after Sept. 11, when ship traffic in the area was shut down following the bombing of the World Trade Center. It still isn’t clear what that constant stress is doing to the animals, but it can’t be good. See Duke University press release.

The good news, the film tells us, is that ships can be made quieter, with an important side benefit: Quieter ships are more efficient, which makes them cheaper to operate. Ships can also reduce noise by going slower, saving on fuel. Beyond shipping, people can find ways to operate in the ocean with less sonic harm to sea life.

The Navy’s viewpoint, as represented in the film, appears to be a more enlightened approach that I have seen until now. Of course, protecting Navy ships against enemy attacks is the priority, but the need to accommodate marine life seems to be recognized to a greater degree.

“It comes down to what we value,” Clark said. “We value a living ocean. We are putting the ocean at risk. And if you put the ocean at risk, you are putting all of us at risk.”

The first video on this page is the trailer to “Sonic Sea” as provided by the producers of the film. The second is the trailer provided by Discovery Channel.

Research cruise studies ocean acidification
along West Coast

A major study of ocean acidification along the West Coast is underway with the involvement of 17 institutions, including 36 scientists from five countries.

NOAA's Research Vessel Ronald H. Brown NOAA photo
NOAA’s Research Vessel Ronald H. Brown
NOAA photo

Based aboard the NOAA Research Vessel Ronald H. Brown, the researchers are taking physical, chemical and biological measurements as they consider a variety of ecological pressures on marine species. They will take note of changes since the last cruise in 2013. To obtain samples from shallow waters, the researchers will get help along the way from scientists going out in small vessels launched from land. Staff from Olympic National Park, Channel Islands National Park and Cabrillo National Monument will assist.

The cruise started out last Thursday from San Diego Naval Base. Researchers have been posting information about the trip and their work on a blog called “West Coast Ocean Acidification.”

The month-long working adventure is the fifth of its kind in areas along the West Coast, but this is the first time since 2007 that the cruise will cover the entire area affected by the California Current — from Baja California to British Columbia. The video shows Pacific white-sided dolphins as seen from the deck of the Ron Brown on Monday just west of Baja California.

As on cruises in 2011–2013, these efforts will include studies of algae that cause harmful blooms, as well as analyses of pteropod abundance, diversity, physiology, and calcification, said Simone Alin, chief scientist for the first leg of the cruise.

“We are pleased to welcome new partners and highlight new analyses on this cruise as well,” she continued in her blog post. “For example, some of our partners will be employing molecular methods (proteomics, genomics, transcriptomics) to study the response of marine organisms to their environments.

“We also have scientists studying bacterial diversity and metabolic activity in coastal waters participating for the first time. New assays of stress in krill and other zooplankton — important fish food sources — will also be done on this cruise. Last but not least, other new collaborators will be validating measurements of ocean surface conditions done by satellites from space.”

To learn how satellites gather information about the California Current, check out Earth Observatory.

The research crew takes water samples using the CTD rosette off the coast of Baja California. Photo: Melissa Ward
The research crew takes water samples using the CTD rosette off the coast of Baja California.
Photo: Melissa Ward

With rising levels of carbon dioxide bringing changes to waters along the West Coast, researchers are gathering information that could help predict changes in the future. Unusually warm waters in the Pacific Ocean the past two years (nicknamed “the blob”) may have compounded the effects of ocean acidification, according to Alin.

Reading the cruise blog, I enjoyed a piece by Melissa Ward, a doctoral candidate in the Joint Program in Ecology from UC Davis and San Diego State University. Her story begins:

“As I prepared to leave for the West Coast OA research cruise, many family and friends skipped right over the ‘research’ part, and jumped straight to ‘cruise’. But to their disappointment, the photos of me sitting by the pool drinking my margarita will never materialize.

“The Ron Brown, our research vessel, does have two lounge chairs on the main deck, but they are strapped down to keep them from flying off as we go tipping back and forth with the ocean swells. Immediately after boarding the ship for departure from San Diego to Mexico, you have to start adjusting to this never-ending sway. After some stumbles and falls (which I’m certain the crew found entertaining), you get used to the motion, and can at least minimize public clumsiness.”

Brandon Carter, mission scientist on the cruise, provides a delightful primer on the pros and cons of carbon dioxide in a blog entry posted Tuesday, and Katie Douglas , a doctoral student at the University of South Florida’s College of Marine Science posted a blog entry yesterday in which she discusses the CTD rosette, a basic piece of oceanographic equipment used to continuously record conductivity (salinity), temperature and depth as it is lowered down into the ocean. The remote-controlled device can take water samples at any level.

Elwha River:
a continuing march
on the way to renewal

It has always been a question to ponder: Will the most significant changes to the Elwha River ecosystem occur upstream of where two dams have been removed or downstream where the river enters the Strait of Juan de Fuca?

Photo: Olympic National Park
Photo: Olympic National Park

Soon after each dam was torn down in succession — the lower one first — salmon began migrating upstream, while more than 30 million cubic yards of sediment began moving downstream.

It could take a number of years to rebuild the extensive runs of salmon, including the prized chinook for which the Elwha was famous among salmon fishermen across the country. Will we ever see the legendary 100-pound chinook return to the Elwha, assuming they ever existed? That was a question I explored in a story for the Kitsap Sun in September 2010.

On the other hand, massive amounts of sediment have already spilled out of the Elwha River, building an extensive delta of sand and gravel, including about 80 acres of new habitat and two miles of sandy beach.

Reporter Tristan Baurick focused on the dramatic shoreline changes already taking place at the mouth of the Elwha in a well-written story published in Sunday’s Kitsap Sun.

The Coastal Watershed Institute, which is monitoring the shoreline near the mouth of the Elwha has documented increases in critical forage fish populations, including surf smelt, sand lance, eulachon (candlefish) and longfin smelt. See CWI Blog. These fish feed a host of larger fish, birds and marine mammals.

Tristan describes the changes offshore, where an area starved of sediment is turning into prime habitat for starry flounder, Dungeness crab and many other animals. Rocky outcroppings that once provided attachment for bull kelp is giving way to fine sand, which allows for colonization by eelgrass and a host of connected species. I described some of the early changes in the flora in a Kitsap Sun story in March of 2013.

For people to view the restoration first-hand, I described a day trip to the Elwha in a Kitsap Sun story in April of 2013. Along the way, you can check out the history, enjoy the vantage points and learn about the changes taking place. Tristan offers a suggestion worth heeding to ensure ongoing beach access.

“Access to the beach is granted by the dike’s owners. They could take that away if the area’s overwhelmed with trash, noise and other nuisances, so keep that in mind when you visit.”

If you’d like to see a video record of dam removal and ecosystem recovery, you may wish to view the film “Return of the River” to be shown at Bremerton’s Admiral Theatre on Friday, March 13. The film will be followed by a panel discussion involving the film’s producers, John Gussman and Jessica Plumb. For details, check the Kitsap Sun website.

Amusing Monday: Entering the world of
a top ocean predator

I was quite impressed when I watched this video of a diver cutting away a thick rope that had been slicing into the flesh of a massive whale shark. The animal, spotted 300 miles southwest of Cabo San Lucas, Mexico, remained calm throughout the operation.

Daniel Zapata, dive team leader aboard the Solmar V cruise ship, said the divers knew it might be dangerous to cut the whale shark free, but it was heartbreaking for them to watch while the animal was suffering.

“We talked about it for some time between dives,” Zapata said in a question-and-answer interview with Joanna McNamara of Project Aware. “When we saw the whale shark again, I knew I had to help. It felt so good to cut this whale shark free. I found a thinner section of the rope and cut through it. I unwrapped the rope from each side of the whale shark and finally she was free.”

The action may have saved the life of the pregnant female and her unborn offspring, according to observers.

This video was featured on the Smithsonian Channel as part of the latest series “Secrets of Shark Island.” The “secret,” according to promotional material, is that the Revillagigedo Islands, some 200 miles from the Mexican coast, is home to one of the greatest concentrations of fish in the world.

“This is the only natural juncture for miles in an otherwise empty Pacific Ocean and a crucial area for migrating sharks and other apex predators,” states the Smithsonian Channel website. “Enter a world where whitetip sharks, giant lobsters and moray eels share living quarters, humpback whales breed, and mantas and tuna feast on bait in this land of plenty.”

The Smithsonian Channel has been going a little crazy over sharks the past few years. But it isn’t just about sharks. It’s about the people who love them. Two years ago, we were introduced to “Shark Girl” aka Madison Steward, who grew up around sharks on Australia’s Great Barrier Reef and is as fearless as they come around the sharp-toothed creatures. See second video on this page.

“Sharks are misunderstood like no other creature, to the point where it is actually contributing to their slaughter,” Madison told Gerri Miller of Mother Nature Network. “I think it has a lot to do with media, but also that people cannot go and see them for themselves and learn the truth.

“Sharks are NOT what you think,” she continued, “and myself and many other people spend hours in the water with large sharks and feed them at ease on regular occasions. They are the apex predators, and nature doesn’t make animals like this for no reason. They are essential in our oceans. In previous years, the decimation of the shark population has caused the surrounding ecosystem to collapse. They are truly the ‘boss’ of our oceans.”

The third video is something of a personal manifesto from Madison Stewart, spoken in a voice-over as she swims in an awe-inspiring underwater world with ethereal music playing in the background.

If you think you know sharks, take a quiz from MNN.

Want to see more amazing sharks and stories from people involved with them? Check out these videos from Smithsonian Channel:

“Secrets of Shark Island” series

“Shark Girl” series

“Death Beach” series

“Great White: Code Red” series

“Hunt for the Super Predator” series

Also, “Shark Girl” Madison Stewart has produced some fine videos since she was 14 years old. Watch them on the Madison Stewart website, “Good Youth in a Bad Sea.”

Amusing Monday: Birds prepare nests, while Eastern eaglets go live

I usually wait until June to post some of the best views of wildlife you will ever see, because that is when the animal kingdom seems to really become active. But this year I thought we could show up a little sooner and see what happens on live wildlife cameras in early spring.

Especially amusing are a pair of bald eagle chicks hatched about three weeks ago in a poplar tree in the U.S. National Arboretum in Washington, D.C. Their parents, who began nesting in this location two years ago, were named “Mr. President” and “The First Lady.”

Go to WASHINGTON, D.C., LIVE EAGLE NEST CAM for the live video, since embedded videos are not allowed. The video on this page shows the hatching of the first chick at about 5 minutes in, when the adult eagle stands up and moves to the side.

Officials involved in the project are entertaining names for the two eaglets. Suggestions can be offered on the Facebook page of either the American Eagle Foundation or the U.S. Department of Energy and Environment, as described in a news release on the project.

The nesting site contains a pair of cameras that operate 24 hours a day. You can easily switch from one camera to the other for better viewing at different times.

American Eagle Foundation, which operates the camera with permission from the U.S. government, makes this statement on its Eagle Nest Cam web page:

“This is a wild eagle nest and anything can happen. While we hope that two healthy juvenile eagles will end up fledging from the nest this summer, things like sibling rivalry, predators, and natural disaster can affect this eagle family and may be difficult to watch.”

Two ospreys, known as Tom and Audrey, are back at their nesting site on Maryland’s eastern shore, where Chesapeake Conservancy does a great job with its osprey cam. I’m no expert, but it looks like a lot of nest-building activity at the moment. Make sure your sound is on, as there seems to be considerable vocalization.

We need to wait a little longer for the ospreys to arrive at two locations where the University of Montana operates live osprey cameras as part of its Montana Osprey Project. They are at the Hellgate Canyon nest site in Missoua and Dunrovin Ranch in Lolo. According to the project’s Facebook page, the ospreys are on their way and should arrive soon (based on satellite tracking).

I was disappointed to hear that an osprey cam operated by the Washington Department of Fish and Wildlife in Gig Harbor is offline this year. WDFW posted this note on the website: “This camera is out of alignment and now offline for 2016. Ospreys have nested and we cannot disturb them to repair or re-angle the camera.”

Alberta Conservation Association and its sponsors last year set up cameras to observe three prime nesting boxes for peregrine falcons in Edmonton, Alberta. Chicks hatched in each of the nests, where we could watch the mothers taking care of their little bundles of fluff, all in real time. The message on the website says, “It’s not long now.”

One of my favorite live cams is still Pete’s Pond (video player at right), a watering hole on Mashatu Game Reserve in Botswana, Africa. It began as a National Geographic project and is now operated by WildEarth, which features several other wildlife cams. Operators, working remotely, turn the camera to find the best action at any moment.

I’ve started watching a live camera in a cove at Anacapa Island in Channel Islands National Park in Southern California. Nearly 1,000 marine species live in the area, and often fish and tiny swimming creatures come into view of the camera.

The Vancouver Aquarium has live cams showing:

As spring moves into summer, other wildlife cams will be worth watching, including the brown bears in Katmai National Park in Alaska, where the action at Brooks River usually begins in July.

I’ve featured other wildlife cams in past years. Check out Water Ways for June 23, 2014 as well as June 17, 2013.

Amusing Monday: Short videos tell timely tales of scientific discovery

Our old friend the northern clingfish, whose belly can clamp onto things and hold tighter than a suction cup, is the star in an award-winning movie put together by researchers and students at the University of Washington.

It’s only a three-minute movie, but the story of this intriguing little fish captured the attention of 37,000 middle school students from 17 different countries in the Ocean 180 Video Challenge. This is a competition that encourages ocean scientists to share their discoveries through short videos. Students selected the clingfish video as the best in the amateur category after an initial screening by a panel of scientists and communication experts.

You can watch all the video finalists on the Ocean 180 YouTube channel. On this page, you can watch the clingfish video, “A Very Sticky Fish,” as well as one called “Harbor Seal Pups: Diving into Rehab,” which was judged the winner in the professional category, since it was produced with the help of a professional filmmaker.

Second place was awarded to “The Creative Dolphin: What Dolphins Do When Asked to Vary Their Behavior.” Third place went to “Marine Defaunation: Animal Loss in the Global Ocean.” An honorable mention was given to “The JetYak.”

The UW team included Adam Summers, professor of biology and of aquatic and fishery sciences at Friday Harbor Laboratories, along with Ian Stevens, a 2015 English graduate, and Zack Bivins, a current English major. I featured Adam Summers and his studies of the clingfish in an “Amusing Monday” post last May. See Water Ways, May 11, 2015, and Michelle Ma’s original story for UW News.

The UW undergraduates met in 2014 while reading “Moby Dick” in professor Richard Kenney’s English class at Friday Harbor Laboratories, where science is mixed with the humanities. Stevens and Bivens produced a 10-minute video about a sperm whale, called “The Sperm Whale and You,” and Summers encouraged them to enter the video contest. They clamped onto Summers’ research paper on the clingfish and decided that would be their topic.

The project was entirely optional, driven only by the students’ passion for art and science.

“This is the intellectual life at its magnesium heat,” Kenney told Michelle Ma in her latest news release. “They were doing it for fun. That’s how you win; it starts with excitement and passion.”

“It is pretty cool for a couple of UW English majors to waltz into a national science outreach film competition and take top honors,” Summers said. “I think it points to the excellent training these students received on campus and also their ability to exploit the intellectual hothouse of Friday Harbor Labs.”

The student winners are forming a video production company that might make more films to explain science in a visually interesting way. Next time, they could enter the Ocean 180 contest as professionals.

The competition, sponsored by the Florida Center for Ocean Sciences Education Excellence, challenges scientists to bring their research papers to life in ways that can help people find meaning to their work. Entries must be tied to a specific research paper published in the past five years.

First-place winners, amateur and professional, each received $3,000. Second- and third- place winners received $2,000 and $1,000 respectively.

Students judging the finalists in the competition came from classes in which teachers signed up specific classrooms to watch the videos. Assuming the competition continues, classroom registration will begin in the fall.

For information, go to the Ocean 180 website.

Shoreline bulkheads impose changes on
the natural ecosystem

It goes without saying that wood, rock or concrete bulkheads built along the shoreline are not natural. They certainly don’t look like any structure formed by nature. And when the water is pushing up against them, waves bounce around and splash back instead of rolling up on shore.

Bulkhead

I have never had any trouble understanding some of the problems caused by bulkheads. I imagine little juvenile salmon swimming along the shoreline, working their way toward the ocean. In shallow water, these little fish can stay away from the bigger fish that want to eat them. But bulkheads create a stretch of deeper water, where predatory fish can swim in close and devour the little ones.

I’ve been told that bulkheads cause other problems as well, such as blocking shoreline erosion. But isn’t that what they are designed to do? What’s the problem? As I’ve learned — especially over the past few months — natural erosion provides the sands and gravels needed for healthy beaches. Natural beaches also collect driftwood, which provides additional habitat for a variety of creatures.

As many readers know, I now work half-time for the Puget Sound Institute, a University of Washington affiliate that publishes the Encyclopedia of Puget Sound. We’ve been working on a series of articles about bulkheads — formally known as shoreline armoring — and I’m more convinced than ever that bulkheads really do cause problems.

Surf smelt Photo: Wikimedia commons
Surf smelt // Photo: Wikimedia commons

The first story in the series, released this week, describes the effects of bulkheads on spawning habitat for surf smelt and sand lance, two kinds of small fish that are an important food source for salmon, birds and marine mammals. Check out my story, “Spawning habitat for forage fish being lost to rising tides.”

As sea levels continue to rise, the high-tide and low-tide lines move to higher elevations on the beach — until the high-tide line reaches the bulkhead. For many bulkheads, the high-tide line is already there. At that point, the rising sea level continues to push the low-tide line to higher and higher elevations, reducing the spawning habitat for fish that lay their eggs in the intertidal area.

This shrinking habitat is known as “coastal squeeze” or “beach squeeze.” Recent studies suggest that where bulkheads are located, Puget Sound could lose 80 percent of this spawning habitat by the turn of the century, based on average predictions of sea-level rise.

On beaches without bulkheads, the high-tide line would move steadily inland, helping to maintain the critical habitat for forage fish, according to Timothy Quinn, chief scientist for the Washington Department of Fish and Wildlife.

“Everywhere in Puget Sound, there will be beach squeeze when you don’t allow things to equilibrate on the land side,” he told me. “What used to be exposed beach (during the tidal cycle) will no longer be exposed.”

It turns out that many bulkheads constructed through the years were never needed to prevent erosion, because they were built to protect homes in areas where erosion is minimal. Future stories in our series will cover this issue, including the prospect of removing existing bulkheads to improve shoreline habitats. Unfortunately, sea level rise adds a new twist to the discussion. Still, the best advice when building a new house is to keep the structure back from the water’s edge.

In addition to the general story about beach squeeze, I wrote a sidebar about a study that looked at the effects of this phenomenon on 15 different beaches in the San Juan Islands. See “Forage fish are losing places to lay their eggs.”

Meanwhile, this initial installment of the Shoreline Armoring Series includes a nice piece by science writer Eric Scigliano called “Shoreline armoring’s effect on the food web.” In this story, Eric looks at a broad spectrum of effects caused by bulkheads. He reports on an involved study that focused on a series of paired beaches — one with a bulkhead and one without — located in various parts of Puget Sound.

Most of the studies that we will report on during this series were funded by the Environmental Protection Agency through grants coordinated by the Washington Department of Fish and Wildlife. The plan is to release about two additional stories each week over the next two weeks.

Surf smelt spawning zone below low tide mark Illustration: Washington Department of Fish and Wildlife
Surf smelt spawning zone below high tide mark
Illustration: Dan Penttila, Washington Department of Fish and Wildlife

Kitsap groundwater model points to promising future

Overall, the Kitsap Peninsula is expected to have enough water for people and fish for many years into the future, as long as the water is managed well, according to a groundwater model developed by the U.S. Geological Survey.

The model offers reassuring findings for residents of the Kitsap Peninsula. It is also encouraging to see local water, sewer and public works officials working together to plan for infiltrating stormwater along with recycling wastewater for irrigation. Those efforts will not only protect the peninsula’s water resources but will save money for water customers.

Drilling for water on the Kitsap Peninsula Kitsap Sun file photo
Drilling for water on the Kitsap Peninsula
Kitsap Sun file photo

Lonna Frans of the U.S. Geological Survey met this week with members of WaterPAK — the Water Purveyors of Association of Kitsap — to discuss the conclusions of a five-year, $1.4 million study of water resources across the Kitsap Peninsula. Lonna said a final written report should be available in about a month. (See website Kitsap GW model.)

The most impressive part of the groundwater model is the mapping of geology across the entire peninsula, based on more than 2,100 well-driller logs that describe the type of soil at various depths. Putting that information together provides a three-dimensional picture of the underground structure, including sand and gravel deposits, which contain water, along with layers of clay and compressed soils, which slow down the water movement.

By monitoring water levels in 66 wells over time and accounting for rainfall and groundwater withdrawals, the computer model provides a dynamic picture of what happens under various conditions. The model can be used to predict what will happen to Kitsap’s aquifers under various rainfall scenarios, including long periods of drought.

Map

Key

The model also can predict what will happen to streamflows under various rainfall scenarios. The Kitsap Peninsula has no mountain snowpack to supply the streams with water during dry summer months, so the water must come from slow-moving underground supplies.

Now that the model is complete, it can be run for almost any pattern of rainfall or drought that one wishes to dream up. For example, running the model with average rainfall and no pumping at all (close to a predevelopment condition) would bring the average groundwater level up about 25 feet — although groundwater levels in some places would be raised more than in other places.

Streamsflows under the no-pumping scenario would be an average of about 2 percent higher — although this would be difficult to measure with current instruments. Nobody would really notice the difference.

If pumping across the peninsula were increased by 15 percent, there would not be much difference in aquifers near the surface and only a two- or three-foot drop in aquifers around sea level. Streamflows would go down by a fraction of a percent but not enough to notice.

Decreasing groundwater recharge by 15 percent, such as paving over the landscape with new roads, houses and parking lots, would have a greater effect on streamflows.

Again, not all areas on the peninsula will see the same effects. The model can be used to zero in on specific streams and their watersheds — although the smaller the area of study, the less accurate the prediction is likely to be.

Bob Hunter, manager of Kitsap Public Utility District, said the model can be used to predict the effects that new wells would have on streamflows as the population grows. The model could advise managers whether it would be advisable to pump certain wells at certain times of the year and hold back at other times.

Kathleen Cahall, water resources manager for the city of Bremerton, said the model can also be used to make sure aquifer-recharge areas are protected and that industrial facilities that store large quantities of chemicals are not located where a spill could contaminate a major underground water supply.

Morgan Johnson, general manager of Silverdale Water District, said he would like to use the model to predict what will happen when highly treated effluent from the Central Kitsap Wastewater Treatment Plant is used to irrigate ball fields and other areas in Central Kitsap. Efforts between the water districts and Kitsap County might lead to greater infiltration of water and greater groundwater supplies to be pumped from existing wells throughout Central Kitsap.

The model was built on background information, which can be found in the report “Hydrogeologic Framework, Groundwater Movement, and Water Budget of the Kitsap Peninsula” (PDF 49.8 mb).

The USGS provided half the costs for the study. The other half was shared among Kitsap PUD; Silverdale Water District; West Sound Utility District; North Perry Water District; Manchester Water District; the cities of Bremerton, Port Orchard, Poulsbo and Gig Harbor; Washington Water, a private utility; and the Suquamish and Port Gamble S’Klallam tribes.

In September of 2014, I wrote about water resources for the series we called “Taking the Pulse of Puget Sound.” The story was called “Making sure there is enough water to go around.”

Amusing Monday: Climate science finds artistic expression

A graph showing the rise in global temperature or the increase in ocean acidity is really just ink on paper. Emotionally, the impact is minimal, unless a person truly understands the meaning behind the lines and numbers shown on the chart.

Clownfish

That’s why I am thrilled and amused with the work of artist Jill Pelto, who has uniquely bridged the gap between scientific charts and living creatures. Jill has incorporated real climate data — charts and graphs — into the backgrounds of her paintings, which also tell compelling stories about the changing environment.

Take the water-color painting of clownfish (first on this page), for example. The anemone in the background is outlined by pH data from 1998 to 2012, as Jill explained to me in an email.

Ocean acidification results when atmospheric carbon dioxide dissolves in the water to form carbonic acid. Higher-than-normal levels of acidity can affect the brains of some fish, leading to disorientation and a reduction in their ability to avoid predators.

“The clownfish in my watercolor are grouped in confusion, separated from the anemone in which they live,” Jill told me. “The oceans may be vast, but if the pH drops globally, there is literally nowhere marine life can go. They are confined to the water.”

The decline in pH, along with a further explanation of ocean acidification, can be found on Climate Central’s website WXshift (pronounced “weather shift”).

The greatest effects of climate change are being experienced in the polar regions. Data describing the melting of Arctic sea ice from 1980 to the present are expressed in Jill’s painting of the Arctic foxes.

Foxes

“Rapid warming in the Arctic has caused the sea ice area to decline so quickly that species cannot adjust,” Jill wrote. “The Arctic fox is small and extraordinarily resilient to the most severe cold. They can withstand the frigid north and thus have this corner of the world in which to hunt. But when the temperatures mellow, competition from larger species could overcome them, as other species move farther north to escape their own warming environment.

“I painted the Arctic foxes to look cornered and skittish. One is hunched and defensive; the other is yowling in panic. The sea ice, from which they are separated, is spaced out by large expanses of dark blue water absorbing the sun’s heat.”

Changes in sea ice are described in Climate Central’s website WXshift.

Jill has studied both art and science, graduating in December from the University of Maine with a double major in studio art and Earth science.

“I have always loved the outdoors and want to use my creative skills to communicate information about extreme environmental issues with a broad audience,” she says on her website, Glaciogenic Art. “I see nature as a work of art and the origin of my observational skills. I enjoy cross-country and downhill skiing, reading, running, camping and spending time with my friends and family. I make art inspired by all of these experiences.”

Jill’s father, Mauri Pelto, a professor in environmental science at Nichols College in Dudley, Mass., has studied glacier recession in Washington’s Cascade Mountains for decades. He founded the ongoing North Cascades Glacier Climate Project in 1983. Jill has assisted with research on that and other projects around the country since high school.

Salmon

Mauri’s 2008 research paper on the North Cascade glaciers (PDF 1.6 mb) contains these unsettling observations: “All 47 monitored glaciers are currently undergoing a significant retreat, and four of them have disappeared.” He goes on to add that this glacial retreat is “ubiquitous, rapid and increasing.”

Experiencing such environmental changes first-hand has helped shape Jill’s future.

“To me, it’s really dramatic and it means a lot because it’s something I personally experienced,” she told Brian Kahn of Climate Central. “Seeing signs of climate change that were more evident inspired me to pursue science at the same time as art.”

The decline in salmon inspired Jill to incorporate a graph of coho population data into one painting. Receding glaciers, last year’s lack of snowpack and a shortage of rainfall contributed to real problems for salmon. Streams were too low and too warm, reducing the amount of spawning.

“Seeing the rivers and reservoirs looking so barren was frightening,” Jill said. “The salmon are depicted swimming along the length of the graph, following its current. While salmon can swim upstream, it is becoming more of an uphill battle with lower streamflow and higher temperatures. This image depicts the struggle their population is facing as their spawning habitat declines.”

Suns

Read more about the decline of salmon in Mauri Pelto’s blog on the American Geophysical Union Blogosphere.

The final example on this page captures multiple measures of climate change occurring across the globe, such as glacier mass balance, sea level rise and temperature increase.

“I wanted to convey in an image how all of this data must be compared and linked together to figure out the fluctuations in Earth’s natural history,” Jill said. “One of the reasons scientists study what happened in the past is to understand what may happen now as a result of human-induced climate change.

“I represented this by illustrating that glaciers are melting and calving, sea levels are rising and temperatures are increasing. The numbers on the left y-axis depict quantities of glacial melt and sea level rise, and the suns across the horizon contain numbers that represent the global increase in temperature, coinciding with the timeline on the lower x-axis.”

Jill offers these references on sea level rise, the “disastrous year” of 2015, and the annual climate report by NOAA and NASA.

I am really looking forward to seeing more of Jill’s work in the future, as she continues her academic pursuits at the University of Maine. Prints of her paintings are available for sale, and Jill can be contacted through her website.