# The interplay of upwelling and ocean acidification along the U.S. West Coast

- Link: https://greenlivingguy.com/2019/02/the-interplay-of-upwelling-and-ocean-acidification-along-the-u-s-west-coast/
- Published: 2019-02-28T13:25:54-05:00
- Author: greenlivingguy

[Source: PMEL Carbon Program from NOAA](https://governmentshutdown.noaa.gov/)

The U.S. [West](https://greenlivingguy.com/2012/09/monterey-bays-seafloor-importance-corals-sponges-fish-protect-west-coast-special-places/)
Coast is a site of dynamic and intense carbon cycling. However and more noteworthy
upwelling of corrosive acidified water may be particularly [vulnerable](https://greenlivingguy.com/2011/04/an-upwelling-crisis-ocean-acidification-noaa/).
Vulnerable to ocean acidification. All due to combining anthropogenic and as well
natural processes.

### ![Ocean acidification across the west coast The u S West coast is a site of dynamic and intense carbon cycling However and more noteworthy upwelling of corrosive acidified water may be particularly vulnerable Vulnerable to ocean acidification All due to combining anthropogenic and as well natural processes](https://i0.wp.com/greenlivingguy.com/wp-content/uploads/2019/02/pexels-photo-248840.jpg?resize=300%2C225&quality=52&ssl=1 "pexels-photo-248840 - The Green Living Guy")

# First off, the water in the North Pacific is naturally rich in CO_(2.)

All because the deep water has been out of contact with the atmosphere for a very
long time as a result of global ocean circulation patterns. That’s while the water
masses travel along the [“oceanic conveyer belt”. ](https://en.wikipedia.org/wiki/Thermohaline_circulation)
That’s where they accumulate CO_(2) through natural respiration processes that break
down sinking organic matter. Along the U.S. West Coast, winds blow from north to
south during spring and summer months. Thereby displacing surface water offshore
as a result of Earth’s rotation. Deeper water rich in CO_(2) and nutrients and depleted
in O_(2) upwells to the surface nearshore to replace the displaced surface water.
Distribution of the depths of the under saturated water (aragonite saturation < 
1.0; pH < 7.75) on the continental shelf of western North America from Queen Charlotte
Sound, Canada, to San Gregorio, Baja California Sur, Mexico. On transect line 5,
the corrosive water reaches all the way to the surface in the inshore waters near
the coast. The black dots represent station locations.

### ![All because the deep water has been out of contact with the atmosphere for a very long time as a result of global ocean circulation patterns Thats while the water masses travel along the oceanic conveyer belt Thats where they accumulate co2 through natural respiration processes that break down sinking organic matter Along the u S West coast winds blow from north to south during spring and summer months Thereby displacing surface water offshore as a result of earths rotation Deeper water rich in co2 and nutrients and depleted in o2 upwells to the surface nearshore to replace the displaced surface water Distribution of the depths of the under saturated water aragonite saturation < 1 0 ph < 7 75 on the continental shelf of western north america from queen charlotte sound canada to san gregorio baja california sur mexico On transect line 5 the corrosive water reaches all the way to the surface in the inshore waters near the coast The black dots represent station locations](https://i0.wp.com/greenlivingguy.com/wp-content/uploads/2019/02/pexels-photo.jpg?resize=150%2C150&quality=52&ssl=1 "pexels-photo - The Green Living Guy")

## From: Feely, R.A., C.L. Sabine, J.M. Hernandez-Ayon, D. Ianson, and B. Hales (2008): Evidence for upwelling of corrosive “acidified” water on the continental shelf. Science Express, 22 May 2008, doi: 10.1126/science.1155676.

These characteristics of the upwelling water masses have consequences. All for both
the carbon cycle and ocean acidification along the West Coast. However, the nutrients
in the water stimulate intense primary production. That’s in the nearshore areas
where water reaches the euphotic zone. In addition, upwelling brings more acidic
water with lower carbonate saturation states to the surface, which may have deleterious
consequences for marine organisms. The interplay of ocean acidification and natural
carbon cycle processes make the coastal ocean along the U.S. Pacific coastline an
interesting and complex region to do research.

Furthermore, PMEL’s [Carbon Group actively collaborates with many partners](https://greenlivingguy.com/2023/09/u-s-green-building-council-and-rmi-partner-to-develop-embodied-carbon-guidelines/).
Thereby to ensure that high-quality observations of marine carbon are continued.
As well as extended along the West Coast. Therefore to synthesize the resulting 
data.

In conclusion, current research focused on building proxy relationships. That’s 
for predicting or hindcasting ocean acidification conditions. It’s using widely 
measured parameters such as oxygen and temperature (e.g. Juranek et al., 2009). 
Thereby this approach works very well along the Pacific Northwest and Central to
Southern California. As well as [extended to more regions](https://greenlivingguy.com/2019/04/ocean-circulation-likely-to-blame-for-severity-of-2018-red-tide/)(
e.g. North Pacific and Alaskan waters) and to work under hypoxic conditions. Recent
research also revealed the extensive exposure of West Coast ecosystems.

All to acidified conditions, with aragonite undersaturation present. All along the
full western continental shelf and extending to the surface off Northern California.
This was recorded during the 2007 upwelling season (Feely et al., 2008). In addition,
other recent endeavors include applying a self-organizing map approach. Finally,
all to improve air-sea flux estimates. Further, all along the North American West
Coast (Hales et al., in prep.).

### **Furthermore here are those most important References!! **

Feely, R.A., Sabine, C.L., Hernandez-Ayon, J.M., Ianson, D., Hales, B., 2008. Evidence
for upwelling of corrosive “acidified” water on the continental shelf. _Science_,
320, 1490-1492.

Juranek, L.W., R.A. Feely, W.T. Peterson, S.R. Alin, J. Peterson, K. Lee, C.L. Sabine,
and B. Hales, 2009 (in press). Robust determination of aragonite saturation state
seasonal evolution near Newport, Oregon using simple algorithms with hydrographic
data. _Geophysical Research Letters_, doi:10.1029/2009GL040778.

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 greenlivingguy

 The Green Living Guy, Seth Leitman is an independent power producer, a green living
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