Beach combing is all in the wind

Is it that time already?

I have fond memories of last April - hiking two miles down a steep headland to retrieve as many buoys as I could on a secluded beach before hiking the two miles back up in the rain.  Well, for me they were fond memories.  As for my boyfriend, he hung in there.

Okay, he may have said it was something like Tropic Thunder.  "Hang in there man- we need to get ALL of these floats back to my yard!"

Spring is a beachcomber's dream in the Pacific Northwest, because the winds that normally blow north to south (in summer) or south to north (in winter) go through a brief shifting period in the spring and fall.  This shift happens clockwise, so that means in spring months- mainly March through April, winds are often blowing directly into shore from the west.

This graph from 2014 shows that winds bounced from Southerly (Red: from the South) to Northerly (Blue) in March through April last year.  This time between strong Southerly winds to strong Northerly winds in the summer is called the 'transition period' when winds blow from the west. [Graphic: http://damp.coas.oregonstate.edu/windstress/2014.html]

Why is this so awesome for beachcombers? That means that a lot of debris (everything from boats, floats, and buoys) is going to be coming in after 11 months of circulating in the northern Pacific Ocean.  Since 2011, a lot of this debris has been attributed to the Tohoku earthquake and tsunamis, but the Pacific ocean also hosts a large debris field near Hawaii called the North Pacific gyre, where a lot of trash tends to accumulate.  This poses a large problem for northwest shores, so in spring you can also help clean this up by participating in beach cleanups in your community.

So, for every ton of garbage and debris, the beachcomber can hope to find one fascinating piece- maybe even that elusive glass float!

If you go out beach combing, consider taking a trash bag with you to pick up other debris, like styrofoam, plastics or wrappers that you find. Every large piece you pick up is being prevented from disintegrating on your local beach.  Some places, like Lincoln City, Oregon, will very kindly reward you for picking up the beach with monthly raffle drawings. So the way I see it, I'm doing the environment a favor by beach combing as much as possible!

Beachcombing and beach cleanups can be almost the same thing!  This volunteer cleans up crab buoys that washed ashore during the wreck of the F/V Chevelle in 2013 [Photo: Newslincolncounty.com, Oregon Surfrider]

So, if beachcombing is your thing, it's time to get out there!  Not only is the weather beautiful (mostly), but you might find some of those rare objects that we all search after.  To me, each unique object tells a story of people, the ocean, and beating the odds.

Below I've listed an activity that you can use to identify the best times to beach comb.

Good luck out there! I'd love to hear about your finds.

Citizen Science Opportunity!
See if you can predict or identify prime beach combing days using weather data.

If you want to track the winds yourself and plan your next beach combing trip, there are some excellent resources out there.  First, is the NH-10 (Newport Hydrographic Line - Station 10) which collects running data on wind speed and direction.  This data can be found at http://agate.coas.oregonstate.edu/data/nh10_wind.html . You can view Wind Speed (listed as meters per second- 1 m/s is roughly equal to 2.24 miles per hour), Wind Direction (listed from 0 to 360 degrees where wind from the North is 360 degrees and South is 180 degrees- think of a circle), and a combined value of Wind Speed + Direction.

Winds in the northern Pacific rotate clockwise throughout the year.  In summer, winds blow from the north in the Eastern Pacific, and in winter they blow from the south. (CWU.edu)

Using Wind Speed + Direction can be a confusing way to tell Easterly or Westerly winds, but using the two above criteria separately is an ideal way to tell if beach combing will be good or not in the near future.  First, the higher the wind speed, the more powerfully pushed ashore debris will be.  Secondly, the closer the number value is to 270 degrees- that is, from the east- the more debris that is likely going to be brought directly onshore.

The hardy NH-10 buoy is always bringing us the latest weather and ocean conditions, rain or shine. [Coas.oregonstate.edu]

You can also check Wind Speed and Direction from NOAA's oceanographic weather page: http://www.wrh.noaa.gov/pqr/ if you like more visual interpretations.  Simply select your area of interest and click on 'Forecast Graphics'.  You can hover over the words 'Wind Speed and Direction' to see a map of current conditions, as well as some other items such as temperature, weather, and cloud cover.  Also very handy if you plan on going fishing in the near future. :)

Two more boats, dock section wash ashore in Oregon

Adding to the enormous amount of marine debris that has washed ashore on eastern Pacific shores this week, two more boats (one intact, the other partial) and a small section of floating dock have washed ashore in Oregon today.

The first boat, although somewhat dilapidated, contained some biological surprises-  three live sea stars, an anemone, mussels and the giant red barnacle which has made many appearances- Balanus rosa. 

The boat found at Carter Lake that contained 3 live sea stars. (Photo: Scott Groth, ODFW)

The sea stars have been confirmed to be of the species Patiria pectinifera, a Japanese species- meaning they have made the journey intact across the Pacific Ocean.  Sea stars are predators, so they likely survived by eating barnacles and bivalves attached to the boat as it floated.  The concern is that invasive species could continue to do this and establish themselves in the rocky intertidal zones of the United States and Canada- potentially displacing important keystone predators such as purple and sunflower sea stars.

Some very cool, but potentially invasive sea stars were found hitchhiking aboard the vessel.  (Photo: Scott Groth, ODFW)

The second boat came ashore near Tahkenitch Lake and was in excellent condition.  It was approximately 22 feet in length, and had an intact hull ID plate, which will help to trace the vessel back to its original port and owner.  The boat was much less biologically diverse, and contained mostly pelagic gooseneck barnacles.

Boat ID plate that may help trace the boat back to it's origins (Photo: Scott Groth, ODFW)

The intact vessel that washed ashore.  (Photo: Scott Groth, ODFW)

Lastly, near the outlet of the Suislaw River (adding to the pattern that marine debris tends to wash up near fresh water outlets), a small section of dock as well as a net washed up.  The dock section was approximately 6' x 4' x 4' and had two live limpets on it.  Limpets have been an unusual occurrence on Japanese tsunami marine debris thus far, but have made a couple appearances in this recent pulse of items from Japan.

The section of concrete dock that washed ashore near the Siuslaw River (Photo: Scott Groth, ODFW)

A graph showing the increase in boats found since 2012.  That number has more the doubled in the last month- this number is only representative of reported boats; there are likely many more. (Sheanna Steingass)

 Reports of more major and culturally-significant debris are likely to pour in these coming weeks- come back soon!

A special thanks to Scott Groth (ODFW) for the excellent sample collection and photography of the latest debris.