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Global Maps of Atmospheric Nitrogen Deposition, 1860, 1993, and 2050 recent views
This data set provides global gridded estimates of atmospheric deposition of total inorganic nitrogen (N), NHx (NH3 and NH4+), and NOy (all oxidized forms of nitrogen other than... -
A Global Database of Gas Fluxes from Soils after Rewetting or Thawing, Version 1.0 recent views
This database contains information compiled from published studies on gas flux from soil following rewetting or thawing. The resulting database includes 222 field and laboratory... -
ACT-America: L2 Remotely Sensed Column-avg CO2 by Airborne Lidar, Lite, Eastern USA recent views
This dataset provides a direct subset (i.e., the Lite version) of the Level 2 (L2) remotely sensed column-average carbon dioxide (CO2) concentrations measured during airborne... -
Vulcan: High-Resolution Annual Fossil Fuel CO2 Emissions in USA, 2010-2015, Version 3 recent views
The Vulcan version 3.0 annual dataset provides estimates of annual carbon dioxide (CO2) emissions from the combustion of fossil fuels (FF) and CO2 emissions from cement... -
ATom: Age of Air, ArN2 Ratio, and Trace Gases in Stratospheric Samples, 2009-2018 recent views
This dataset provides calculated age of air (AoA) and the argon/nitrogen (Ar/N2) ratio (per meg) from stratospheric flask samples and simultaneous high-frequency measurements of... -
Simulated Fine Particulate Matter (PM2.5) Estimates over Alaska, 2001-2015 recent views
The dataset provides simulated PM2.5 concentration estimates over Alaska, U.S. PM2.5 (particulate matter with diameter <= 2.5 microns) concentrations in air (micrograms m-3)... -
ABoVE: Wolf Denning Phenology and Reproductive Success, Alaska and Canada, 2000-2017 NGDA recent views
This dataset provides annual gray wolf (Canis lupus) denning spatial information and timing, associated climatic and phenologic metrics, and reproductive success (i.e., pup... -
ATom: Global Modeling Initiative (GMI) Chemical Transport Model (CTM) Output recent views
This dataset contains Global Modeling Initiative (GMI) Chemical Transport Model (CTM) outputs from the four Atom campaigns. GMI simulations of the ATom flight periods have a... -
ATom: Flight Dynamics and Environmental Parameters of the NASA DC-8 Aircraft recent views
This dataset contains flight dynamics and environmental parameters (often referred to as housekeeping) specific to the DC-8 aircraft as collected from an assortment of... -
Global-Gridded Daily Methane Emissions from Inland Dam-Reservoir Systems recent views
This dataset includes global maps of methane (CH4) emissions from inland dam-reservoir systems at 0.25-degree spatial resolution. Daily emission rates (as grams of CH4 per day... -
Burned and Unburned Field Site Data, Noatak, Seward, and North Slope, AK, 2016-2018 recent views
This dataset includes field measurements from unburned and burned 10 m x 10 m and 1 m x 1 m plots in the Noatak, Seward, and North Slope regions of the Alaskan tundra during... -
ACT-America: L1 Raw, Uncalibrated In-Situ CO2, CO, and CH4 Mole Fractions from Towers recent views
This dataset provides Level 1 (L1) in situ atmospheric carbon dioxide (CO2), carbon monoxide (CO), and methane (CH4) concentrations as measured on a network of instrumented... -
ABoVE: Burned Area, Depth, and Combustion for Alaska and Canada, 2001-2019 NGDA recent views
This dataset provides annual gridded estimates of fire locations and associated burn fraction per pixel for Alaska and Canada at approximately 500 m spatial resolution for the... -
Longwave-infrared spectral imagery in support of COMEX, 2014 recent views
This dataset provides calibrated at-sensor radiance, retrieved surface brightness temperature, and adaptive coherence estimator (ACE) detection imagery of methane, and a limited... -
NACP: MODIS Daily Land Incident 4-km PAR Images For North America, 2003-2005 NGDA recent views
This data set contains daily Moderate Resolution Imaging Spectroradiometer (MODIS) land incident photosynthetically active radiation (PAR) images over North America for the... -
ATom: L2 In Situ Measurements from NOAA Nitrogen Oxides and Ozone (NOyO3) Instrument recent views
This dataset provides in situ concentrations of nitric oxide (NO), nitrogen dioxide (NO2), total reactive nitrogen oxides (NOy), and ozone (O3) measured by the NOAA Nitrogen... -
ATom: Measurements of Soluble Acidic Gases and Aerosols (SAGA) recent views
Soluble acidic gases and aerosols (SAGA) were collected with two related installations; a mist chamber/ion chromatography (MC/IC) system and a paired bulk aerosol system. The... -
SAFARI 2000 MOPITT Tropospheric Carbon Monoxide, Southern Africa, Dry Season 2000 recent views
The MOPITT (Measurements Of Pollution In The Troposphere) instrument on the NASA Terra Satellite makes measurements of infrared radiation originating from the surface of the... -
Characteristics of African Savanna Biomes for Determining Woody Cover recent views
This data set includes the soil and vegetation characteristics, herbivore estimates, and precipitation measurement data for the 854 sites described and analyzed in Sankaran et...