Questions tagged [gis]
For questions related to Geographic Information Systems: any digital tool that is designed to obtain, edit, analyze, and present spatially organized data. However, please note, a dedicated site for GIS questions, gis.stackexchange.com, might be a better place to ask GIS-related questions.
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Developing a filter to identify gold lodes from geology datasets and am wondering if I should eliminate any of these Geomaterials from the filter?
Caveat I am not a geologist I'm a software developer! This is for a GIS class project so the precisions don't have to be great.
Just trying to narrow the filter down to eliminate the obviously ...
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Coordinate offset looking at Landsat Antarctic data using SNAP?
TL;DR: SNAP doesn't seem to be registering the coordinates of a Landsat polar stereographic image correctly. Any fix ideas?
I have been trying to use SNAP to look at Landsat 8 C2 L2 optical imagery ...
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Anybody know where I can find the geoTIFF or other GIS Image data that was used to generate this png map?
It is from this study and I have checked their supplementary files, it isn't there.
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footprints L2 IASI data
I tried to process the L2 NH3 data from IASI.
How can I estimate the elliptical footprint of a pixel from the following geolocation and geometry data for the IASI instrument?
The available information ...
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Origin of dislocations in FAO data between 1991 and 1992 (via World Bank)?
I have been inspecting the World Bank database, including development indicators based on FAO data. For some of these indicators, for instance "Permanent cropland (% of land area)" and "...
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Faulty dataset on Worldclim.org
I am currently working on a research project regarding climate sensitivities of plant species and I need to analyze future climate data. Worldclim.org has a broad spectrum of climate data based on ...
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How to find out if three points on Earth are on the same great circle arc?
I am trying to figure out whether 3 particular points on Earth's surface are on the same arc (of a great circle) or not. Using Google Earth's (also ArcGIS Earth's) line tool, I see that the points are ...
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Difference between Hillshading and Terrain Resource Information Management
I am picking up on remote sensing. I came across a paper where they use the shaded relief model from Terrain Resource Information Management (TRIM) for hillshading. However, is it the same as the ...
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Does the 0m elevation height of a Digital Elevation Model (Copernicus DEM) correspond to mean sea level?
I want to model future coastal flooding caused by sea-level rise under the latest IPCC scenarios at global scale. To this end, I use the Copernicus Digital Elevation Model (Copernicus DEM: https://...
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Software for spatial interpolation of temperature and relative humidity data from weather stations
I'm working with time series of weather data (specifically, min/max daily temperatures and relative humidity) recorded from weather stations over an area of about 200,000 km2.
I would be interested in ...
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How can smartphones help geologists in the field?
Smartphones have incorporated many sensors and some of them can be helpful for a geologist in the field:
They have GPS, so it is possible to register your route in a Google Maps map. I find this may ...
user20559
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Rainfall Anomaly Index using satellite data
I'm working on a script for calculating the Rainfall Anomaly Index1 (RAI) for an area using satellite imagery to estimate precipitation. The context I have seen the RAI used in before is for weather ...
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When calculating a precipitation index, should it be constrained to a basin?
I am writing a script for calculating a precipitation index using satellite imagery, and am wondering if it can be applied to an arbitrary area or if it should be constrained to a basin. My gut says ...
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Literature on thematic 4D maps
I need to understand more about thematic 4D mapping. I would roughly classify it as a method of cartography. In particular I want to do research on what software is being used to create thematic 4D ...
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convert .srtm to xyz ord grd
I need to plot bathymetry map of my study region and need to convert the .srtm to .xyz or .grd format to use GMT. I tried to do this with grdraster and xyz2grd, but got wrong results. I found that ...
