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Moderate-resolution sea surface temperature data and seasonal pattern analysis for the Arctic Ocean ecoregions
A collaborative product of USGS and the U.S. EPA

Sea surface temperature (SST) is an important environmental characteristic in determining the suitability and sustainability of habitats for marine organisms. In particular, the fate of the Arctic Ocean, which provides critical habitat to commercially important fish, is in question. This poses an intriguing problem for future research of Arctic environments—one that will require examination of long-term SST records. This publication describes and provides access to an easy-to-use Arctic SST dataset for ecologists, biogeographers, oceanographers, and other scientists conducting research on habitats and/or processes in the Arctic Ocean. The data cover the Arctic ecoregions as defined by the "Marine Ecoregions of the World" (MEOW) biogeographic schema developed by The Nature Conservancy as well as the region to the north from approximately 46 °N to about 88 °N (constrained by the season and data coverage). The data span a 29-year period from September 1981 to December 2009. These SST data were derived from Advanced Very High Resolution Radiometer (AVHRR) instrument measurements that had been compiled into monthly means at 4-kilometer grid cell spatial resolution. The processed data files are available in ArcGIS geospatial datasets (raster and point shapefiles) and also are provided in text (.csv) format. All data except the raster files include attributes identifying latitude/longitude coordinates, and realm, province, and ecoregion as defined by the MEOW classification schema. A seasonal analysis of these Arctic ecoregions reveals a wide range of SSTs experienced throughout the Arctic, both over the course of an annual cycle and within each month of that cycle. Sea ice distribution plays a major role in SST regulation in all Arctic ecoregions.

Payne, M.C., D.A. Reusser, and H. Lee II. 2012. Moderate-resolution sea surface temperature data and seasonal pattern analysis for the Arctic Ocean ecoregions: U.S. Geological Survey Open-File Report 2011–1246, 20 p.

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Moderate-resolution sea surface temperature data for the nearshore North Pacific
A collaborative product of USGS and the U.S. EPA

Coastal sea surface temperature (SST) is an important environmental characteristic in determining the suitability of habitat for nearshore marine and estuarine organisms. This publication describes and provides access to an easy-to-use coastal SST dataset for ecologists, biogeographers, oceanographers, and other scientists conducting research on nearshore marine habitats or processes. The data cover the Temperate Northern Pacific Ocean as defined by the "Marine Ecosystems of the World" (MEOW) biogeographic schema developed by The Nature Conservancy. The spatial resolution of the SST data is 4-km grid cells within 20 km of the shore. The data span a 29-year period – from September 1981 to December 2009. These SST data were derived from Advanced Very High Resolution Radiometer (AVHRR) instrument measurements compiled into monthly means as part of the Pathfinder versions 5.0 and 5.1 (PFSST V50 and V51) Project. The processing methods used to transform the data from their native Hierarchical Data Format Scientific Data Set (HDF SDS) to georeferenced, spatial datasets capable of being read into geographic information systems (GIS) software are explained. In addition, links are provided to examples of scripts involved in the data processing steps. The scripts were written in the Python programming language, which is supported by ESRI's ArcGIS version 9 or later. The processed data files are also provided in text (.csv) and Access 2003 Database (.mdb) formats. All data except the raster files include attributes identifying realm, province, and ecoregion as defined by the MEOW classification schema.

Payne, M.C., D.A. Reusser, H. Lee II, and C.A. Brown. 2011. Moderate-resolution sea surface temperature data for the nearshore North Pacific: U.S. Geological Survey Open-File Report 2010-1251.

User's guide and metadata for WestuRe: U.S. Pacific Coast estuary/watershed data and R tools
WestuRe is a collaborative product of U.S. EPA and USGS

WestuRe provides data and tools to facilitate research in estuaries from northern Washington to southern California. Basic descriptive data for estuaries, such as their size and watershed boundaries, are critical for coastal-scale research and conservation planning. Until now, these data were often difficult to find and standardize.

Frazier, M.R., D.A. Reusser, H. Lee II, L.M. McCoy, C. Brown and W. Nelson. 2013. WestuRe: U.S. Pacific Coast estuary/watershed data and R tools. U.S. EPA, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Western Ecology Division. EPA/600/R/13/067



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