diff --git a/external/earthdata_search.md b/external/earthdata_search.md index fcf643c7..b20d12e7 100644 --- a/external/earthdata_search.md +++ b/external/earthdata_search.md @@ -33,11 +33,13 @@ Searching for level 4 ocean current data archived at PO.DAAC When searching for ocean current data, using a single keyword search for `ocean currents` returns a broad mix of collections — model output, altimetry-derived products, in-situ drifter data, and more. The **Filters** panel on the left lets us combine several search filters to narrow this down: 1. **Keyword search**: start broad with `ocean current` in the search bar -2. **Keywords** (Science Keywords) filter: *Oceans > Ocean Circulation* > Ocean Currents* +2. **Keywords** (Science Keywords) filter: *Oceans > Ocean Circulation > Ocean Currents* 3. **Organizations** filter: select `PO.DAAC` to restrict to data archived at this DAAC -4. **Processing Levels filter: check `4 - Gridded Model Output` to browse the gridded products rather than data on un-gridded satellite passes +4. **Processing Levels** filter: check `4 - Gridded Model Output` to browse the gridded products rather than data on un-gridded satellite passes -![*Figure caption: Combining keyword, Science Keywords, Organization, and Processing Level filters to find ocean current data*](../images/EarthDataSearch/ed_search_2a_1.png) ![](../images/EarthDataSearch/ed_search_2a_2.png) +![](../images/EarthDataSearch/ed_search_2a_1.png) +![](../images/EarthDataSearch/ed_search_2a_2.png) +*Figure caption: Combining keyword, Science Keywords, Organization, and Processing Level filters to find ocean current data* Combining multiple search filters narrows down ~500 collections to a short, specific list of ~30. @@ -52,13 +54,16 @@ Searching for highest available resolution level 4 data within known spatial bou Earthdata Search immediately filters the collection list to only those with data intersecting the drawn area, updating live as you adjust the shape -2. **Keywords** (Science Keywords) filter: *Oceans > Ocean Circulation* > Ocean Currents* +2. **Keywords** (Science Keywords) filter: *Oceans > Ocean Circulation > Ocean Currents* 3. **Processing Levels** filter: check `4 - Gridded Model Output` for an analysis-ready gridded product rather than raw along-track satellite passes 4. **Horizontal Data Resolution** filter: check `4 - 10 to 50km` to browse the gridded products rather than data on un-gridded satellite passes Combining multiple search filters narrows down ~11,000 collections to a short, specific list of 4. -![*Figure caption: Drawing a spatial polygon to restrict search results to a specific region and combining Science Keywords, Processing Level, and Horizontal Data Resolution filters to find ocean current data*](../images/EarthDataSearch/ed_search_2b_1.png) ![](../images/EarthDataSearch/ed_search_2b_2.png) +![](../images/EarthDataSearch/ed_search_2b_1.png) +![](../images/EarthDataSearch/ed_search_2b_2.png) +*Figure caption: Drawing a spatial polygon to restrict search results to a specific region and combining Science Keywords, Processing Level, and Horizontal Data Resolution filters to find ocean current data* + ### Step 3. Explore the dataset details, including Cloud Access information