http://lod.bco-dmo.org/id/dataset/674979
eng; USA
utf8
dataset
Highest level of data collection, from a common set of sensors or instrumentation, usually within the same research project
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
2017-01-17
ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
ISO 19115-2:2009(E)
Monthly Regional Cumulative Upwelling Index (Ekman transport) for California and Benguela Ecosystems from 1979-2014
2017-01-17
publication
2017-01-17
revision
Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA)
2021-12-27
publication
https://doi.org/10.26008/1912/bco-dmo.674979.1
Bryan Black
University of Texas at Austin
principalInvestigator
Steven Bograd
National Oceanic and Atmospheric Administration - Southwest Fisheries Science Center
principalInvestigator
Marisol Garcia Reyes
Farallon Institute for Advanced Ecosystem Research
principalInvestigator
William Sydeman
Farallon Institute for Advanced Ecosystem Research
principalInvestigator
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
publisher
Cite this dataset as: Black, B., Bograd, S., Garcia Reyes, M., Sydeman, W. (2021) Monthly Regional Cumulative Upwelling Index (Ekman transport) for California and Benguela Ecosystems from 1979-2014. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2017-01-17 [if applicable, indicate subset used]. doi:10.26008/1912/bco-dmo.674979.1 [access date]
Monthly Regional Cumulative Upwelling Index for California and Benguela Ecosystems Dataset Description: <p>Monthly Cumulative Ekman Transport for three regions in the Benguela and California Current Ecosystems from 1979-2014.</p> Methods and Sampling: <p>Monthly Cumulative Ekman Transport (reported in units of&nbsp;m3/s/100m)&nbsp;was determined for three regions in the Benguela and California Current Ecosystems.</p>
<p>Regions defined as (all along-shore):<br />
Northern California: 40-45 N<br />
Central California: 35-40 N<br />
Southern California: 30-35 N<br />
Northern Benguela: 15-30 S<br />
Southern Benguela:&nbsp; 30-35 S<br />
Agulhas Bank: 32-35 S, 20-30 E</p>
<p>Daily averaged NCEP-DOE Reanalysis 2 wind vectors with spatial resolution of 2.5x2.5 degrees were used to calculate these upwelling indices.&nbsp; These wind data were available from 1979 to 2014.</p>
Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-1434732 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=1434732
completed
Bryan Black
University of Texas at Austin
361-749-6789
Marine Science Institute 750 Channel View Drive
Port Aransas
TX
78373
USA
bryan.black@utexas.edu
pointOfContact
Steven Bograd
National Oceanic and Atmospheric Administration - Southwest Fisheries Science Center
831-648-8515
99 Pacific Street, Suite 255A
Monterey
CA
93940
USA
steven.bograd@noaa.gov
pointOfContact
Marisol Garcia Reyes
Farallon Institute for Advanced Ecosystem Research
707-478-1381
101 H St. Suite Q
Petaluma
CA
94952-1092
USA
marisolgr@gmail.com
pointOfContact
William Sydeman
Farallon Institute for Advanced Ecosystem Research
707-478-1381
101 H St. Suite Q
Petaluma
CA
94952-1092
USA
wsydeman@faralloninstitute.org
pointOfContact
asNeeded
Dataset Version: 1
Unknown
year
month
Northern_CA
Central_CA
Southern_CA
Northern_Benguela
Southern_Benguela
Agulhas_Bank
theme
None, User defined
year
No BCO-DMO term
featureType
BCO-DMO Standard Parameters
otherRestrictions
otherRestrictions
Access Constraints: none. Use Constraints: Please follow guidelines at: http://www.bco-dmo.org/terms-use Distribution liability: Under no circumstances shall BCO-DMO be liable for any direct, incidental, special, consequential, indirect, or punitive damages that result from the use of, or the inability to use, the materials in this data submission. If you are dissatisfied with any materials in this data submission your sole and exclusive remedy is to discontinue use.
Climate Change and Upwelling -- Comparative Analysis of Current and Future Responses of the California and Benguela Ecosystems
https://osprey.bco-dmo.org/project/564665
Climate Change and Upwelling -- Comparative Analysis of Current and Future Responses of the California and Benguela Ecosystems
<p><em>Desciption from NSF award abstract:</em><br />
Along the west coasts of North and South America, Africa, and Iberia, alongshore equatorward winds bring nutrient-rich waters to the sunlit surface of the ocean, stimulating phytoplankton blooms that support robust, rich and diverse ecosystems. This process is known as "upwelling". Because upwelling is driven by winds, and winds are related to atmospheric conditions, upwelling is highly vulnerable to the effects of climate change. However, the potential impacts of climate change on upwelling and biology remain largely uncertain. In earlier work in the California Current upwelling system, off the west coast of the United States, researchers found that upwelling occurs in distinct winter and summer "modes" that have different impacts on biology. In this project, oceanographic and atmospheric data from the Benguela Current system, off South Africa and Namibia, will be analyzed for similar seasonal patterns and relationships with the ecosystem. Comparisons between these two upwelling systems will allow researchers to investigate if previous findings of regional climate impacts on biology are applicable at a global scale and consider how these systems may change in the future. The project will facilitate collaboration between researchers from South Africa, Namibia, and the United States, integrating a team of young and senior scientists from the three countries and providing them with opportunities for broad-scale scientific synthesis early in their careers.</p>
<p>This project will be a comparative analyses of climate forcing and biological responses in the California Current (CCS) and Benguela Current systems (BCS), the two upwelling systems with the most similar time series of atmospheric and oceanographic conditions, seabird demography, and lower (chlorophyll) and mid (forage fish) trophic data. The project will determine whether changes in the ecosystems can be attributed to regional or global climate processes. Growth-increment chronologies from fish in the BCS (deep-water hake) will be developed as indicators of upper-trophic fish growth, and compared to rockfish growth chronologies developed in the CCS. Mid-trophic level fish abundance will be modeled as indices of prey availability for integration between climate and upper-trophic-level parameters. Oceanographic and atmospheric data will be analyzed from global observational and reanalysis data sets, as well as from earth system model projections of climate change. The project will address the following questions:<br />
1) are seasonal upwelling modes (winter and summer) discernible in the BCS as they are in the CCS?<br />
2) are upwelling modes forced by similar or contrasting atmospheric forcing mechanisms?<br />
3) is there evidence of coherence/covariance among mid-trophic fish, upper-trophic fish, and seabirds (and at which lags) within and between the CCS and BCS?<br />
4) will the positioning and amplitude of the atmospheric pressure systems that result in upwelling-favorable winds change coherently between ecosystems under various climate-change scenarios? and<br />
5) what are the fisheries and wildlife management implications for variability in the seasonality and spatial distribution of upwelling in a changing climate?</p>
CalBenJI
largerWorkCitation
project
eng; USA
oceans
1979-01-01
2014-12-31
California Current Ecosystem and Benguela Current Ecosystem
0
BCO-DMO catalogue of parameters from Monthly Regional Cumulative Upwelling Index (Ekman transport) for California and Benguela Ecosystems from 1979-2014
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
http://lod.bco-dmo.org/id/dataset-parameter/675008.rdf
Name: year
Units: unitless
Description: <p>Four-digit year</p>
http://lod.bco-dmo.org/id/dataset-parameter/675009.rdf
Name: month
Units: unitless
Description: <p>One- or two-digit month (1-12)</p>
http://lod.bco-dmo.org/id/dataset-parameter/675010.rdf
Name: Northern_CA
Units: cubic meters per second per 100-meters (m3/s/100m)
Description: <p>Northern California (40-45 N) Ekman transport</p>
http://lod.bco-dmo.org/id/dataset-parameter/675011.rdf
Name: Central_CA
Units: m3/s/100m
Description: <p>Central California (35-40 N) Ekman transport</p>
http://lod.bco-dmo.org/id/dataset-parameter/675012.rdf
Name: Southern_CA
Units: m3/s/100m
Description: <p>Southern California (30-35 N) Ekman transport</p>
http://lod.bco-dmo.org/id/dataset-parameter/675013.rdf
Name: Northern_Benguela
Units: m3/s/100m
Description: <p>Northern Benguela (15-30 S) Ekman transport</p>
http://lod.bco-dmo.org/id/dataset-parameter/675014.rdf
Name: Southern_Benguela
Units: m3/s/100m
Description: <p>Southern Benguela (30-35 S) Ekman transport</p>
http://lod.bco-dmo.org/id/dataset-parameter/675015.rdf
Name: Agulhas_Bank
Units: m3/s/100m
Description: <p>Agulhas Bank (32-35 S, 20-30 E) Ekman transport</p>
GB/NERC/BODC > British Oceanographic Data Centre, Natural Environment Research Council, United Kingdom
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
20017
https://darchive.mblwhoilibrary.org/bitstream/1912/27856/1/dataset-674979_monthly-cumulative-upwelling-index__v1.tsv
download
https://doi.org/10.26008/1912/bco-dmo.674979.1
download
onLine
dataset
<p>Monthly Cumulative Ekman Transport (reported in units of&nbsp;m3/s/100m)&nbsp;was determined for three regions in the Benguela and California Current Ecosystems.</p>
<p>Regions defined as (all along-shore):<br />
Northern California: 40-45 N<br />
Central California: 35-40 N<br />
Southern California: 30-35 N<br />
Northern Benguela: 15-30 S<br />
Southern Benguela:&nbsp; 30-35 S<br />
Agulhas Bank: 32-35 S, 20-30 E</p>
<p>Daily averaged NCEP-DOE Reanalysis 2 wind vectors with spatial resolution of 2.5x2.5 degrees were used to calculate these upwelling indices.&nbsp; These wind data were available from 1979 to 2014.</p>
Specified by the Principal Investigator(s)
<p><strong>Data processing:</strong><br />
Alongshore components of wind were calculated (rotated wind vectors) for each 2.5x2.5 coastal grid cell, and transformed to wind stress. For each grid cell, daily offshore Ekman transport was calculated in m3/s/100m. Monthly cumulative upwelling index was calculated by summing all adding positive offshore transport during a month and then averaging within each region.</p>
<p><img alt="" src="https://datadocs.bco-dmo.org/d3/data_docs/CalBenJI/ekman_formulas_black.jpg" /></p>
<p><strong>BCO-DMO Processing:</strong><br />
- modified parameter names to conform with BCO-DMO naming conventions;<br />
- replaced NaN with nd ("no data").</p>
Specified by the Principal Investigator(s)
asNeeded
7.x-1.1
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact