How city plants take up and release CO₂ (2010-2019)
What it measures. Estimates of how much carbon dioxide city-area plants pull in and give off, broken into the amount taken up by growth, the amount released by respiration, and the net balance of the two, across several world regions over 2010-2019.
How it's made. Produced by the SMUrF model, which combines satellite measurements of plant fluorescence (a sign of photosynthesis), land-cover and biomass data, and ground flux measurements onto a fine grid.
How & where you'd use it. Helps researchers separate the natural plant component of CO2 from human emissions in and around cities, supporting urban carbon studies.
What's measured
Coverage & cadence
- Time span2010-01-01 → 2019-12-31
- Measured byMODELS (Computer) · SATELLITES (MODIS)
- Processing levelLevel 3
- Spatial extent-125, -40, 155, 60
- FormatsnetCDF-4 classic
- StatusCOMPLETE
What you can do with it
- Map vegetation, forests and biomass
- Monitor ecosystem productivity and carbon
- Support habitat and biodiversity studies
Official description
This dataset contains estimates of biogenic CO2 flux components at 0.05 degree resolution from the Solar-Induced Fluorescence (SIF) for Modeling Urban biogenic Fluxes (SMUrF) model. Estimates were produced for the following regions and periods: eastern and western CONUS (2010-2019), western Europe (2010-2014 and 2017-2018), eastern Asia, eastern China, eastern Australia, South America, and Central Africa (2017-2018). Modeled CO2 flux components include gross primary production (GPP), ecosystem respiration (Reco), and net ecosystem exchange (NEE). Four-day means of GPP are estimated from solar-induced fluorescence (SIF) and biome-specific GPP-SIF relationships. Daily estimates of Reco are included. In addition, GPP and Reco were downscaled to hourly estimates and used to generate hourly NEE. Uncertainties for 4-day GPP and daily Reco estimates are provided. The input data streams included 500 m MODIS-based annual land cover classification, 0.05 degree spatiotemporally contiguous SIF, above-ground biomass (AGB) from GlobBiomass, eddy-covariance (EC) flux measurements, and gridded products of air and soil temperatures.
Get the data
import earthaccess
earthaccess.login(strategy="netrc") # free Earthdata Login
results = earthaccess.search_data(
short_name="Biogenic_CO2flux_SIF_SMUrF_1899",
version="1",
bounding_box=(-122.5, 37.2, -121.8, 37.9), # your area (W,S,E,N)
temporal=("2024-01-01", "2024-12-31"), # your dates
)
files = earthaccess.open(results) # stream straight from ORNL_CLOUD Browsing CMR needs no login. Downloading or streaming bytes needs a free Earthdata Login + the earthaccess package. Official links
- Earthdata Search allows users to search, discover, visualize, refine, and access NASA Earth Observation data. GET DATA
- OpenDAP URL USE SERVICE API
- ORNL DAAC Data Set Documentation VIEW RELATED INFORMATION
- Urban Biogenic CO2 fluxes: GPP, Reco and NEE Estimates from SMUrF, 2010-2019: Biogenic_CO2flux_SIF_SMUrF.pdf VIEW RELATED INFORMATION