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Soil Moisture and Tree Measurements at Harvard Forest

Harvard Forest Canopy

Upward-facing photo of the canopy at Harvard Forest (transect 2, plot 57) on 2012-10-18.

Ground-based data collected at the Harvard Forest site was used to validate Airborne Microwave Observatory of Subcanopy and Subsurface (AirMOSS) soil moisture estimates.

Soil Organic Carbon in Tidal Wetlands

Estuary Classes

Estuaries classes used in the study: former river valley primary estuary, former glacier valley primary estuary, river delta primary estuary, tectonic structural primary estuary, coastal lagoon secondary estuary, and unclassified estuary.

Soil organic carbon (SOC) estimates and environmental data for US estuaries are available for the period 1972-2015.

Soil Temperature Profiles for Interior Alaska

USArray measurement sites

USArray measurement sites in Alaska. Sites are labeled with site ID and maximum measurement depth and color-coded by mean annual ground temperature (MAGT in degrees C) of the deepest sensor measurements. Data are omitted for sites disrupted by bears.

Soil temperature data were collected at Alaskan USArray seismic monitoring sites from 2016-2018.

Monitoring Permafrost with P-Band SAR

Active layer thickness and uncertainty.

Active layer thickness with uncertainty for a flight swath over the northern section of Alaska's Dalton Highway in summer 2015.

NASA's ABoVE airborne campaign provides estimates of active layer thickness and soil properties derived from the AirMOSS instrument.

Mechanistic Soil Nitrogen Module for CMAQ

Soil nitrous oxide emissions.

Soil nitrous oxide emissions on a monthly average basis for July 2011 estimated with the mechanistic scheme.

A new model dataset improves the timing and spatial distribution of estimates of soil nitrogen emissions.

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