No JavaScript detected
Instrument details
Acronym
GeoCarb
Full name
Geostationary Carbon Cycle Observatory
Purpose
To monitor the sources and sinks of atmospheric CO2, CH4, CO and solar-induced chlorophyll fluorescence (SIF) with unprecedented spatial and temporal detail
Short description
Grating NIR/SWIR spectrometer to cover narrow bands around 0.76, 1.61, 2.06 and 2.34 μm.
Background
Developed after OCO, but flown in GEO for frequent sampling
Scanning Technique
Cross-track scanning of selected segments of the Earth's disk across the America's
Resolution
3 km (N-S) by 6 km (E-W)
Coverage / Cycle
Segments as large as 2800 km x 2800 km in about 2 hours
Mass
152 kg
Power
150 W
Data Rate
10.5 Mbps
Providing Agency
NASA
Instrument Maturity
Flown on an R&D satellite
Utilization Period:
≥2024 to ≥2027
Last update:
2021-06-16
Detailed characteristics
Satellites this instrument is flying on
Note: a red tag indicates satellites no longer operational, a
green tag indicates operational satellites, a blue tag indicates
future satellites
Instrument classification
Earth observation instrument Passive optical radiometer or spectrometer Cross-nadir shortwave (UV/VIS) sounder
WIGOS Subcomponents
Subcomponent 1 UV/VIS/NIR sounder [in GEO]
Mission objectives
Tentative Evaluation of Measurements
The following list indicates which measurements can typically be
retrieved from this category of instrument. To see a full Gap Analysis by Variable,
click on the respective variable.
Note: table can be sorted by clicking on the column headers
Variable Relevance for measuring this variable Operational limitations Explanation
CH4 1 - primary Cloud sensitive.. Daylight only. Very-high resolution SWIR spectrometry CH4 lines around 2.3 micrometers. Specifically designed for CH4. Frequent sampling from GEO enables monitoring sources
CO 1 - primary Daylight only.. Cloud sensitive. Very-high resolution SWIR spectrometry CO lines around 2.3 micrometers. Specifically designed for CO. Frequent sampling from GEO enables monitoring sources
CO2 1 - primary Cloud sensitive.. Daylight only. Very-high resolution SWIR spectrometry CO2 lines around 1.6 and 2.1 micrometers. Specifically designed for CO2. Frequent sampling from GEO enables monitoring sources.
Instrument: GeoCarb