Validation of reef-scale thermal stress satellite products for coral bleaching monitoring

Heron, Scott F., Johnston, Lyza, Liu, Gang, Geiger, Erick F., Maynard, Jeffrey A., De La Cour, Jacqueline L., Johnson, Steven, Okano, Ryan, Benavente, David, Burgess, Timothy F. R., Iguel, John, Perez, Denise I., Skirving, William J., Strong, Alan E., Tirak, Kyle and Eakin, C. Mark (2016) Validation of reef-scale thermal stress satellite products for coral bleaching monitoring. Remote Sensing, 8 1: . doi:10.3390/rs8010059


Author Heron, Scott F.
Johnston, Lyza
Liu, Gang
Geiger, Erick F.
Maynard, Jeffrey A.
De La Cour, Jacqueline L.
Johnson, Steven
Okano, Ryan
Benavente, David
Burgess, Timothy F. R.
Iguel, John
Perez, Denise I.
Skirving, William J.
Strong, Alan E.
Tirak, Kyle
Eakin, C. Mark
Title Validation of reef-scale thermal stress satellite products for coral bleaching monitoring
Journal name Remote Sensing   Check publisher's open access policy
ISSN 2072-4292
Publication date 2016-01-12
Sub-type Article (original research)
DOI 10.3390/rs8010059
Open Access Status DOI
Volume 8
Issue 1
Total pages 16
Place of publication Basel, Switzerland
Publisher MDPI
Collection year 2017
Language eng
Abstract Satellite monitoring of thermal stress on coral reefs has become an essential component of reef management practice around the world. A recent development by the U.S. National Oceanic and Atmospheric Administration’s Coral Reef Watch (NOAA CRW) program provides daily global monitoring at 5 km resolution—at or near the scale of most coral reefs. In this paper, we introduce two new monitoring products in the CRW Decision Support System for coral reef management: Regional Virtual Stations, a regional synthesis of thermal stress conditions, and Seven-day Sea Surface Temperature (SST) Trend, describing recent changes in temperature at each location. We describe how these products provided information in support of management activities prior to, during and after the 2014 thermal stress event in the Commonwealth of the Northern Mariana Islands (CNMI). Using in situ survey data from this event, we undertake the first quantitative comparison between 5 km satellite monitoring products and coral bleaching observations. Analysis of coral community characteristics, historical temperature conditions and thermal stress revealed a strong influence of coral biodiversity in the patterns of observed bleaching. This resulted in a model based on thermal stress and generic richness that explained 97% of the variance in observed bleaching. These findings illustrate the importance of using local benthic characteristics to interpret the level of impact from thermal stress exposure. In an era of continuing climate change, accurate monitoring of thermal stress and prediction of coral bleaching are essential for stakeholders to direct resources to the most effective management actions to conserve coral reefs.
Keyword CNMI
Coastal and marine management
Commonwealth of the Northern Mariana Islands
Coral bleaching
Coral diversity
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ
Additional Notes Article number 59

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Geography, Planning and Environmental Management Publications
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School of Biological Sciences Publications
 
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