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dataset Ingest Request for geos-co-ch4-daygrid-vPRE - #18

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dataset Ingest Request for geos-co-ch4-daygrid-vPRE#18
veda-github-actor[bot] wants to merge 1 commit into
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feat/geos-co-ch4-daygrid-vPRE

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Ingestion of geos-co-ch4-daygrid-vPRE into GHGC Tenancy

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github-actions Bot commented Aug 17, 2026

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Starting workflow... View action run

Collection Publication Status

➡️ geos-co-ch4-daygrid-vPRE (Dataset): Successfully published ✅

@botanical
botanical requested a review from a team August 18, 2026 17:31
"ymax": 90
},
"temporal_extent": {
"startdate": "2024-01-01T00:00:00Z",

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is this supposed to match the description date (January 1, 2015)?

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I'm not sure, that's a great question. I based it off of the temporal interval startdate I found here https://github.com/US-GHG-Center/ghgc-data/blob/main/ingestion-data/datasets/geos-co-ch4-daygrid-vPRE.json#L44

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Ah! It's technically one dataset, but we split it into two STAC collections. The other data, CO2 Column Concentrations, has a start date of 2015. I think we split it for viz purposes in the E&A tool

{
"collection": "geos-co-ch4-daygrid-vPRE",
"title": "GEOS Assimilated CH₄, and CO Column Concentrations",
"description": "This dataset provides daily, global assimilated methane (XCH₄), and carbon monoxide (XCO) average column concentrations starting from January 1, 2015. The data are derived from OCO-2 observations that were input to the Goddard Earth Observing System (GEOS) Constituent Data Assimilation System (CoDAS), a modeling and data assimilation system maintained by NASA's Global Modeling and Assimilation Office (GMAO). XCO₂ average column values are provided in units of parts per million (ppm), while XCO₂ and XCO average column values are provided in units of parts per billion (ppb). The data have been regridded to 0.25 degrees and have also been transformed to Cloud Optimized GeoTIFF (COG) format. The source data can be found at https://portal.nccs.nasa.gov/datashare/gmao/geos_carb/carbon/vPRE/netcdf/ghg_tavg_day_glo_L1440x721_slv/.",

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Comment thread ingestion-data/staging/dataset-config/geos-co-ch4-daygrid-vPRE.json
Comment thread ingestion-data/staging/dataset-config/geos-co-ch4-daygrid-vPRE.json
Comment thread ingestion-data/staging/dataset-config/geos-co-ch4-daygrid-vPRE.json
@jjfrench
jjfrench requested a review from a team August 19, 2026 14:55
},
"temporal_extent": {
"startdate": "2024-01-01T00:00:00Z",
"enddate": "2025-12-31T00:00:00Z"

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Suggested change
"enddate": "2025-12-31T00:00:00Z"
"enddate": "2025-12-31T23:59:59Z"

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"enddate": "2025-05-31T23:59:59Z" (based on STAC metadata and source data)

@jjfrench
jjfrench requested a review from a team August 19, 2026 19:48
"ymax": 90
},
"temporal_extent": {
"startdate": "2024-01-01T00:00:00Z",

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Ah! It's technically one dataset, but we split it into two STAC collections. The other data, CO2 Column Concentrations, has a start date of 2015. I think we split it for viz purposes in the E&A tool

},
"temporal_extent": {
"startdate": "2024-01-01T00:00:00Z",
"enddate": "2025-12-31T00:00:00Z"

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"enddate": "2025-05-31T23:59:59Z" (based on STAC metadata and source data)

"data",
"layer"
],
"title": "Average Column CH₄ (XCH₄)",

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@siddharth0248 Do these need to be updated to "Average Dry-Air Column" here? See "Info for Data Processing" section at the bottom

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3 participants