Searches CMR for GSLC and GUNW granules, builds the page on the QA helper and opens it.
Clicking the magnifier again starts it too.
Earthdata login · QA images
Checking for the QA helper...
The login goes only to the QA helper on this machine, which keeps it in memory and
uses it only with Earthdata. The page itself never stores the password.
North America · 0 frames shown
CMR queried: unknown
OPERA project ↗
GSLC Acquisitions Over Time▼
GSLC granules in CMR over North America, counted by acquisition date across the frames currently shown. Hover a bar for its count.
Drag across the bars to pick a date range; the frame colours count only what falls inside it.
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Consistent Mode Summary▼
Consistent (mode, coverage) chosen per frame for DISP time series, aggregated over the frames currently shown.
Frame Color / Opacity▼
Counts and QA follow the mode / polarization chips and the date range.
Fill 32%
Outline 70%
GSLC Mode / Polarization / CRID▼
Rollout Regions▼
Click an option to show only its frames; frame counts follow the other filters.
Blackout by Month▼
Frames shown with each calendar month excluded by their blackout window. Dark: at least half the month; light: any part of it. Click a month to colour the map by it.
Location (Track / Frame / Cycle)▼
Product / Site Flags▼
Select Frames 0▼
Click a frame on the map to open its granule list and add/remove it from your selection with this color.
No frames selected yet.
CSV needs track,frame columns (optional color). GeoJSON matches on track/frame or id. A consistent-GSLC JSON selects every frame in its data block.
AI assistant · nisar_db
Connecting to the nisar_db tools...
Play options
Speed 1.5 s
Click play to start or stop, double-click it for these options. Cycles step the cycle
filter; time steps the date range, so counts and QA colourings follow each step. Stopping restores both.
Click a frame to list granules & select · the (i) button toggles hover summaries
Frame colours are hidden under the rainy / snow layer.
Fill
Outline
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Rainy / snow season blackouts
Dates DISP drops for seasonal decorrelation: winter snow cover, or the peak rainy season (Aug-Nov) over Central America, as in DISP-S1. YR shades each frame by the share of the year blacked out; a month, by the share of that month.
0%share of the year blacked out100%
Earthquakes (USGS)
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USGS ComCat via its FDSN event service; at most 20,000 events per request.
Click an event for its details.
Volcanoes
Smithsonian GVP Holocene volcanoes (a snapshot in the page) with live US alert levels
from the USGS Volcano Hazards Program. Click a volcano for its details.