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Daymet

THREDDS NetCDF Subsetting Service Bug Fixed

Submitted by ORNL DAAC Staff on 2020-06-24
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Unidata's THREDDS Data Server (TDS) is a web server that provides metadata and data access for scientific datasets, using a variety of remote data access protocols.

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A bug has been fixed in the THREDDS Data Server (TDS) NetCDF Subsetting Service (NCSS) that may, in rare cases, have returned incorrect results.

Recent NASA Article Highlights Daymet

Submitted by ORNL DAAC Staff on 2020-05-13
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Each black dot on this digital elevation map (DEM) represents a surface weather station in continental North America providing Daymet data in 2010. Additional stations providing Daymet data are located in Puerto Rico and Hawaii.

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Daymet derived annual average of daily minimum temperature, 1980 (left) and 2019 (right), for a subset of North America. Images are scaled from -20 to +20 degrees C.

Explaining Vegetation Greening Trends in Yellowstone

Submitted by ORNL DAAC Staff on 2020-03-26
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Trends in maximum annual NDVI for natural vegetation within the Greater Yellowstone Ecosystem (GYE) from 1989 to 2014 (Emmett et al. 2019).

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Daymet and North American Carbon Program (NACP) data were used to study Normalized Difference Vegetation Index (NDVI) trends across the Greater Yellowstone Ecosystem.

Highlights from the Literature

Submitted by ORNL DAAC Staff on 2019-06-19
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Asclepias syriaca (common milkweed) relies on pollinators for movement of its pollen, and evidence suggests that its populations are declining. Image courtesy of Pixabay.

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Daymet daily surface weather and climatological summaries have been cited in nearly 300 peer-reviewed articles. Read about how this popular data product is used in research.

Daymet Data Now Available in AppEEARS

Submitted by ORNL DAAC Staff on 2019-04-30
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The Land Processes DAAC distributes NASA Earth Observing System data. They developed the AppEEARS tool to provide access to a wide range of data from instruments including MODIS, VIIRS, SMAP, and now Daymet.

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Daymet Version 3 daily weather data for North America is now available through the AppEEARS subsetting tool from NASA's Land Processes DAAC.

Daymet 2018 Data Now Available

Submitted by ORNL DAAC Staff on 2019-04-08
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Daymet provides high-resolution surface meteorology data for North America. The figure shows annual data for the year 2018; Left: Mean maximum daily temperature, Middle: Total precipitation, Right: Mean minimum daily temperature. Daymet data is archived and distributed by the ORNL DAAC.

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Daymet weather and climate data for North America are now available for the years 1980 - 2018.