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Urban Biogenic CO2 Fluxes from the SMUrF Model, 2010-2019

Submitted by ORNL DAAC Staff on 2022-02-21
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The sums of seasonal mean SMUrF-based NEE and ODIAC-based FFCO2 for CONUS (a), western Europe (b), and East Asia (c) for 2018 in centered panels. City-wide GEE, Reco, NEE, and FFCO2 over JJA 2018 are provided around the centered panels.

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Estimates of biogenic CO2 flux components from the Solar-Induced Fluorescence for Modeling Urban biogenic Fluxes (SMUrF) model.
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NACP: Greenhouse Gases Across Expanded Urban Network, 2000-2019

Submitted by ORNL DAAC Staff on 2022-02-21
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Carbon dioxide concentrations at the MUR site in Salt Lake City, Utah, show a pronounced seasonal pattern of higher CO2 in the winter months. 

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Updates to hourly urban greenhouse gas measurements for cities in the CO2-USA Data Synthesis Network for 2000-2019.
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Soil Organic Carbon Distributions in Tidal Wetlands for the NE US

Submitted by ORNL DAAC Staff on 2022-02-04
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Predicted soil organic carbon (SOC) content of wetlands at 0-5 cm depth in the vicinity of Cape Cod, Massachusetts, U.S. Estimates represent the period 1998-2018 and were derived from publicly available data sources using a quantile regression forest model. 

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Estimates of soil organic carbon (SOC) in tidal wetlands for the northeastern United States.
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NASA Earthdata Article Highlights Methane Research

Submitted by ORNL DAAC Staff on 2021-06-29
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The AVIRIS-NG instrument detected large methane plumes coming from Sunshine Canyon Landfill during its October 2016 overpass. The plumes are shown in a yellow to red gradient, with red representing higher concentrations of methane. Image credit: Cusworth et al. 2020.

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NASA's AVIRIS-NG instrument detected multiple massive methane plumes in California and much more.

Methane Emissions from Dairy Sources in California

Submitted by ORNL DAAC Staff on 2021-06-06
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Total annual methane emissions in 2019 from dairy farms in California. These values represent the sum of emissions from enteric fermentation and manure management practices. Units are Gg per square kilometer per year. Source: total_CH4_CA_2019.tif

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Estimates of methane (CH4) emissions from dairy farms in California for 2019.

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.