Hi Vishal, What about https://worldview.earthdata.nasa.gov/?t=2020-08-17-T12%3A21%3A52Z ? With `Add layers` you can add the active fire over it
best, Vero El vie., 21 ago. 2020 a las 0:09, Vishal Mehta (<vishalm1...@gmail.com>) escribió: > Thanks Markus, > > I also came across this and another resource, so part of my needs are met. > > however, i notice that these data are derived products, where a pixel is > designated as having a fire based on the temperature anomaly. thi is the > main reason if anyone is following on the firemaps available on google maps > that we are getting huge polygons - basically the boundaries created around > any pixel with a large-ish anomaly. > > is there a quick automation workflow possible where False Color > Composites of near-realtime imagery using the thermal band can be created, > which can be updated once a day at the click of a button; and then overlay > the FIRES derived datasets on top? This would allow one to visualize the > earth surface while also overlaying the derived product. > > i'm imagining a workflow which automates the finding of imagery as well, > because that part of the workflow (going to the DAAC and finding the > sensors , path, row etc etc) seem as tedious as it ever was.. > > Best, > Vishal > > On Thu, Aug 20, 2020 at 1:23 PM Markus Neteler <nete...@osgeo.org> wrote: > >> Hi Vishal, >> >> On Wed, Aug 19, 2020 at 11:42 PM Vishal Mehta <vishalm1...@gmail.com> >> wrote: >> > >> > Hi all, >> > >> > as you may have heard, there are a lot of active fires in California >> right now. >> > >> > the nearest one is about 30-40 miles away from me. i'm wondering is >> there some guidance on using GRASS GIS for active fire mapping using near >> real time imagery? i've searched online but haven't found something yet. >> (i'm not looking for fire modeling) >> >> Yes, you can get NRT data from here: >> https://firms.modaps.eosdis.nasa.gov/active_fire/ >> - Shapefiles >> - Google Earth KML >> - Text Files (CSV) >> >> This you may import (v.import) and visualize/analyse. >> >> Best wishes, >> Markus >> >> >> -- >> Markus Neteler, PhD >> https://www.mundialis.de - free data with free software >> https://grass.osgeo.org >> https://courses.neteler.org/blog >> > > > -- > Vishal K. Mehta, PhD > Sr. Scientist > Stockholm Environment Institute - US > 133 D St Suite F > Davis CA 95616 > www.sei-us.org > _______________________________________________ > grass-user mailing list > grass-user@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/grass-user
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