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Upcoming Introductory Remote Sensing Webinar

Submitted by ORNL DAAC Staff on 2021-03-17
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Introduction to Population Grids and their Integration with Remote Sensing Data for Sustainable Development and Disaster Mgmt. Two -part series, March 30 and April 6, 2021.

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Introduction to Population Grids and their Integration with Remote Sensing Data for Sustainable Development and Disaster Management
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Dr. Anthony Walker User Profile

Submitted by ORNL DAAC Staff on 2021-02-26
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Dr. Anthony Walker installing an automated dendrometer on a Shagbark Hickory at ORNL. These devices take high frequency measurements of stem shrink and swell, providing data on wood growth and water transport through the tree. Credit: Dr. Jeff Warren.

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Dr. Walker studies global climate change.
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Daymet Version 4 Data Products highlighted by NASA's Earthdata

Submitted by ORNL DAAC Staff on 2021-01-28
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A regional view of Daymet V4 daily total precipitation over 2 days during the time period that Hurricane Harvey made landfall in August of 2017.

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Daymet Version 4's improved algorithm and sensor timing and bias corrections result in more accurate and precise data.

Daymet Developer Remains Among Web of Science's Most Highly Cited

Submitted by ORNL DAAC Staff on 2021-01-05
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Dr. Peter Thornton studies the interactions of land ecosystems with other components of the Earth's climate system including biogeochemical and physical land-atmosphere feedbacks, and interactions with human systems. 

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For the third consecutive year, Dr. Peter Thornton has been recognized for exceptional research.

Forest Change From Canopy Cover Loss from 1986-2010

Submitted by ORNL DAAC Staff on 2020-11-30
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North American Forest Dynamics (NAFD) attribution type layer illustrating the type of change event where all events from 1986-2010 were combined. Source: Schleeweis et al. (2020) https://doi.org/10.3334/ORNLDAAC/1799

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The North American Forest Dynamics Attribution product provides information depicting forest change across 258 million ha of the conterminous U.S.

High-Resolution Sub-Daily Climate Driver Data for Western US

Submitted by ORNL DAAC Staff on 2020-11-30
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Four variables for the same 3-hour timestep, December 8, 2015, 12:00 AM to 3:00 AM, a) precipitation flux (kg m-2 s-1) b) air temperature (K) c) shortwave radiation flux (W m-2) d) specific humidity. Source: western_USA_precipitation_3hr_2015-12.nc4

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High-resolution climate data inputs are now available for 11 states in the western U.S.

Ranking Forest Land for Carbon Sequestration/Species Richness

Submitted by ORNL DAAC Staff on 2020-11-30
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Forested land in the western conterminous United States classified by priority for preservation to mitigate climate change, based on the spatial co-occurrence of vulnerability to drought and fire and potential carbon sequestration. Source: Buotte et al. 2020

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Ranking of forest lands for preservation given net ecosystem productivity was derived from the Community Land Model.

Growth Measurements of White Spruce in the Arctic

Submitted by ORNL DAAC Staff on 2020-11-30
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A white spruce tree is instrumented with a hemispherical and field-stop photochemical reflectance index (PRI) sensor and point dendrometer at a northern treeline site along the Dalton Highway, Brooks Range, Alaska. Source: Eitel et al., 2020

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Field measurements of white spruce photochemical reflectance and radial tree growth are available from the Arctic-Boreal Vulnerability Experiment (ABoVE).