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Questions tagged [nasa]

National Aeronautics and Space Administration, a US government agency.

22
votes
6answers
11k views

How to download the entire ASTER GDEMv2 dataset?

In October 2011, NASA released the new ASTER GDEM global dataset (30m) and I have been wanting to get my hands on it. The only problem is that it takes forever to download and I do not feel like ...
0
votes
1answer
559 views

Opening data from NSIDC in QGIS?

i download data from here https://nsidc.org/data/SPL2SMP/versions/3#, but i can not open it in QGIS. Do you know how to open this data in QGIS?
18
votes
1answer
497 views

What GIS analysis techniques were used in determining Gale Crater as the landing site for the Curiosity Rover?

What specific GIS analysis was used in determining Gale Crater as the landing site for the Curiosity Rover? I'm assuming factors such as slope, elevation, ruggedness, etc were used as well as ...
3
votes
1answer
464 views

Does NASA DEM contain objects?

Following an answer to my previous question I am planning to work with NASA ASTER GDEM global dataset. I am trying to download it according to instructions given here for a couple of days now. ...
10
votes
1answer
2k views

What is NASADEM and when it will be released?

I heard some time ago about a new global DEM called NASADEM that was going to be released in 2017, and promised to be the best global DEM to date. What exactly is NASADEM and when will it be available?...
2
votes
1answer
97 views

NASA world view (EOSDIS) coverage delay per day - scanning footprint issue?

I noticed that in NASA world view web site it's take some time to get per day world wide coverage. I made some calculations: The source is Aqua & Terra satellites Both have orbital period ...
2
votes
2answers
716 views

What is the easiest way to create map using HDF-5 data subset?

I need to visualize some area using values provided in HDF-EOS version 5 file and create map using those values and other GIS layers. Unfortunately, my QGIS do not recognize the HDF5 file. Do I ...
1
vote
1answer
1k views

How to open SMAP's Surface Moisture data files

I downloaded surface moisture data from Nasa's Soil Moisture Active Passive (SMAP) sensor website (https://nsidc.org/data/smap/smap-data.html). For each processing level (1-4), three types of files ...
1
vote
1answer
142 views

Geolocation of MODIS swath products

When dealing with MODIS swath products (or any swath products from VIIRS, SeaWifs, etc) such as those available here, is there any way of a-priory knowing the location a given file covers? Typical ...
1
vote
1answer
871 views

Export data from time-series image collection to a table in Google Earth Engine

On Google Earth Engine, I'd like to accomplish two tasks: extract data from every pixel, across a time-series, within the given geometry bounds and save it as a table. I need a column which prints ...
1
vote
0answers
196 views

Parameters of projection for SMAP data [duplicate]

I need to extract geotiff from SMAP DATA (same without registration) I found example of gdal_translate command that do this task: gdal_translate -a_ullr -17334194 7356860 17334194 -7356860 -a_srs ...