Location of 15 lakes surveyed for methane ebullition hotspots (green points) north of Fairbanks, AK, on October 8, 2014. Inset shows detail of Eagle Lake with locations of 43 hotspots (red points) detected by openings in lake ice.
Locations and number of methane ebullition hotspots in frozen lakes in the southern portion of the Goldstream Valley and surroundings near Fairbanks, Alaska.
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
Estimates of methane (CH4) emissions from dairy farms in California for 2019.
Spatial distribution of predicted aboveground biomass (AGB) density averaged over 1984-2014 for the ABoVE Core Study Domain. Ecoregions represent the EPA Level 2 Ecoregion boundaries. Source: Wang et al. (2021)
Estimated annual AGB density for live woody species in the ABoVE Core Study Domain from 1984-2014.
Locations of SRDB V5 observations combining pre-existing observations from V4 and new observations from Russian and Chinese literature, and literature from other languages (primarily English). Circle size represents sample size at each location.
This new version of the Global Soil Respiration Database (SRDB) is a near-universal compendium of published soil respiration (Rs) data.
An area of the Mississippi River Delta (Terrebonne and St. Mary Parishes, LA, USA) showing the largest present-day amount of tidal vegetation biomass in the conterminous US. (Source Louisiana_biomass_2015.tif).
Aboveground tidal marsh biomass estimates for six estuarine regions of the conterminous United States.