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Full catalog/J1_CrIS_VIIRS750m_IND
J1_CrIS_VIIRS750m_IND·v1·dataset

Index linking two sensors' pixels, a helper file (NOAA-20)

JPSS1 CrIS-VIIRS 750-m Matchup Indexes V1 (J1_CrIS_VIIRS750m_IND) at GES_DISC
atmosphere NASA GES_DISC Level 2
In plain English

What it measures. Is a helper file, not a measurement: it stores index numbers that line up matching pixels between two instruments (CrIS and VIIRS) on the same satellite.

How it's made. Built as a 'collocation' product within NASA's MEaSUREs long-term water-vapor and cloud record, linking the two sensors' 750 m views.

How & where you'd use it. Used by researchers who need to combine readings from the two instruments; it's a behind-the-scenes tool rather than something read on its own.

What's measured

ATMOSPHERE › CLOUDS

Coverage & cadence

  • Time span2018-03-01 → 2025-12-31
  • Measured byJPSS-1 (CrIS, VIIRS)
  • Processing levelLevel 2
  • Spatial extent-180, -90, 180, 90
  • StatusCOMPLETE

What you can do with it

  • Map air pollutants — NO₂, aerosols, ozone
  • Track greenhouse gases and Earth's energy budget
  • Feed weather and air-quality analysis
Official description

This dataset includes JPSS-1 VIIRS-CrIS collocation index product, within the framework of the Multidecadal Satellite Record of Water Vapor, Temperature, and Clouds (PI: Eric Fetzer) funded by NASA’s Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program, 2017. The dataset is built upon work by Wang et al. (doi: 10.3390/rs8010076) and Yue (doi:10.5194/amt-15-2099-2022). The short name for this collections is J1_CrIS_VIIRS750m_IND_1

Get the data

j1_cris_viirs750m_ind_access.py
import earthaccess
earthaccess.login(strategy="netrc")          # free Earthdata Login

results = earthaccess.search_data(
    short_name="J1_CrIS_VIIRS750m_IND",
    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 GES_DISC
Browsing CMR needs no login. Downloading or streaming bytes needs a free Earthdata Login + the earthaccess package.