Questions tagged [usgs]

United States Geological Survey, government agency overseeing study and mapping of earth and life sciences.

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19 views

No download Option

I am using Modis-13A2 in USGS earth Explorer but I am unable to download its GeoTIFF file because download option is not available kindly guide me. ]1
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1answer
81 views

USGS topo symbols for light-duty and unimproved roads

Mapping in QGIS 3.14, I want to use the same symbol as the local historical USGS 24K quads use for unimproved road and light-duty road. An example can be seen here (the black continuous road and the ...
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3answers
58 views

Range of numbers for Township and Range

I am creating a GUI for input of PLSS data (Township, Range, Section). There will be 5 pull down or spinner components: Township, North/South, Range, East/West, Section The North/South component will ...
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54 views

Extract USGS satellite image inside a given bounding box

I'm using USGS explorer to extract satellite image. What I want is that given a bounding box, I want to extract satellite image inside the box (see the image attached). I don't want the blur satellite ...
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1answer
46 views

How to index USGS ARD Satellite Data into an Open Data Cube?

I am trying to index a Landsat8-Satellite-Dataset from Massachusetts in the USA. I downloaded the dataset from USGS. Below my question you can find the datacube-metadata.yaml-File. It is surface ...
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1answer
50 views

Why is there no XML-File with metadata when I download Landsat 8 data on USGS?

I am trying to create a Data Cube with Open Data Cube for my Bachelor's Thesis. In the Python-Files from Open Data Cube to prepare the data for indexing there is a XML-File with metadata needed: https:...
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40 views

Elevation obtained from USGS DEM is different from Lidar elevation

For a project I'm working on I need to calculate height of objects for which I know their spatial 2D coordinates (e.g. buildings). I'm using Lidar data to extract the highest Z value for an object, ...
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1answer
51 views

Seeking Sentinel L1C images (.SAFE) from 2015-2019 since no longer available on Copernicus Open Access Hub

I am looking for Sentinel images from before 2019 in L1C quality and .SAFE format, as I want to correct them with sen2cor in SNAP to convert them to L2A quality. Where can I find them now that they ...
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1answer
109 views

Why am I getting this error when importing a GDB into QGIS?

I've downloaded the Lunar geology data from USGS here: https://astrogeology.usgs.gov/search/map/Moon/Geology/Unified_Geologic_Map_of_the_Moon_GIS While the topography is in ESRI Shapefile format and ...
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1answer
69 views

Split single band layer in QGIS

I have a single band raster layer, namely the USGS Global Mountain Explorer Home K3 dataset. It is a 8 bit unsigned integer GeoTIFF of 200 Mb, with 4 grey values each corresponding to a mountain ...
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1answer
104 views

Getting from a USGS historical topographic map to a Unity terrain heightmap

Is it possible to start from a USGS historical topographic map and get to a Unity terrain heightmap? To see an example of the kind of historical topo map I am talking about: Go to: https://ngmdb....
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29 views

Calculating LST time-servers graph

i am trying to compute the time series graph of the particular location i m getting this error no idea what to do i m using "MODIS/006/MOD11A" var lst = lstImg.select('LST_Day_1km') ....
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2answers
57 views

What is the meaning of TL in LiDAR point clouds data sets?

I am exploring some USGS LiDAR data sets and found several occurrences of data sets with the same name except that one had the acronym "TL" in its name and the other not. Example of this is: USGS ...
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1answer
61 views

What happened to buildings on USGS topo maps?

I have been using the National Map website to download some topographic maps and I can't help noticing a big difference between the old and new. Historical USGS topographic maps have building outlines ...
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1answer
91 views

Get zoomed-in images with the EarthExplorer API

I've been using the landsatxplore library that provides a Python API for EarthExplorer. However, when I've been searching for scenes using code like this: scenes = api.search( dataset='...
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24 views

How to extract data from DAAC index

I would like to extract a MODIS land cover dataset, among other things from DAAC. I found this python tool which allows me to feed a URL and automatically download the file, and also this library ...
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37 views

USGS Earth Explorer: Bulk Download from metadata export

I want to create a large bulk download order for Landsat Level-3 FSCA data. My search returns ~6700 results, but as far as I can tell I can only add one page of results (10) at a time. Is there a way ...
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1answer
30 views

Comparing Landast 8 Images?

I'm currently working with Landsat 8 OLI/TIRS Level-2 Data Products - Surface Reflectance and I would like to compare different landsat images from different places on earth. I was wondering if pixels ...
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0answers
83 views

Esri mapview USGS earthquake trigger popup from outside of map

I am trying to show some recent earthquake information in Esri maps using USGS earthquake API data. I am able to fetch the list from API data and also I got the map with those listed information ...
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1answer
76 views

Adding USGS WMTS to Mapbox gl js?

How do you add a wmts layer from the USGS basemaps found here as a mapbox-gl-js layer?: https://viewer.nationalmap.gov/services/
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2answers
343 views

Getting WMS address from ArcGIS Online service?

Was wondering if there was a way to get a WMS service address/feature/functionality from an ArcGIS online service, to provide Tile functionality? i.e. If I want to use this ArcGIS online service (...
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1answer
187 views

Loading DLG file into QGIS?

I downloaded hypsography (topo lines) in DLG (Digital Line Graph) format. The file came from OGRIP, although it originally came from USGS. According to Wikipedia, DLG files are topologically ...
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1answer
84 views

Manipulating Elevation Data from the USGS National Map

I am trying out @tylermorganwall Rayshader R library. Some instructions are given here by tylermw8 to get elevation data from the USGS National Map. I am interested in obtaining data around the ...
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1answer
113 views

Using NAVD88 geoid in Northern Canada?

The USGS NED (1-arcsec) dataset is available for the continental US as well as most of Canada. It is based on the NAVD88 vertical datum. I am interested in using the DEM to orthorectify SAR scenes in ...
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1answer
140 views

Locating Basemaps in QGIS?

I've been attempting to download a usable basemap for USGS Topography for quite some time. Going through the USGS procedure to acquire the map has not worked to date. Quickmapservices and Openlayer ...
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3answers
3k views

QGIS 3.2 using a USGS Topo for a basemap

On QGIS 3.2 I add, through the XYZ Tiles tab in the browser, this URL: http://services.arcgisonline.com/ArcGIS/rest/services/USA_Topo_Maps/MapServer/tile/${z}/${y}/${x}.jpg All that is displayed ...
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4answers
1k views

Combine multiple USGS topo quads into a single seamless raster?

I'm quite new to GIS (so please be patient with my incorrect terminology) but I'm teaching myself as much as I can in order to create my own map of the Boundary Waters Canoe Area in northern Minnesota....
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60 views

Seamless US Topo Rasters with R

I'm attempting to make a seamless raster from US Topo Maps for a large portion of the Western US. I have succeeded in converting the GeoPDFs from The National Map into GeoTIFF format using ...
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2answers
341 views

Remove Image layer from GeoSpatial PDF using ogr2ogr

I'm trying to remove the orthoimage layer from a USGS GeoSpatial pdf 7.5' topo quad. I can query the layer names: ogrinfo NM_Canada_Ojitos_20110201_TM_geo_enabled.pdf -mdd LAYERS Which produces ...
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0answers
71 views

Mis-aligned layer from United States Geological Survey Web Mapping Service (USGS WMS)

I have a layer of impervious surfaces in the contiguous US, provided by the US Geological Survey as a WMS. The CRS is set to EPSG 4326, which is what the metadata says it should be. The entire layer ...
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66 views

Defining projection for FEWS rainfall data in ArcMap? [closed]

This problem has been tackled here previously (see Manually adding spatial reference information for FEWS rainfall data in ArcMap?) but i couldnt get a solution to my problem from the thread. I am ...
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3k views

USGS/FGDC SVG geoscience point symbols for use in QGIS

I have over 700 symbols created and tested for use on geological maps, using the USGS symbol documents as a source (https://ngmdb.usgs.gov/fgdc_gds/), converting the original PDF using Inkscape. I am ...
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1answer
440 views

Why my sceneID doesn't work to download in landsat-utils?

I need to download Landsat images automatically in order to do a forest monitory. I'm using package landsat-utils. However, when I set my sceneID from my interest region the code doesn't work as I ...
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1answer
346 views

Displaying USGS DEM as 3D in ArcScene? [closed]

So I am having some issues getting my USGS DEM to display in 3d in ArcScene. I downloaded my DEM (.jpg) and brought it into ArcScene. I clicked properties and base heights and floating on a custom ...
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1answer
87 views

Matching two types of data (elevation and imagery) which are in different scale?

My problem is that elevation and imagery data I'm getting from USGS is in different scales and is aligned to different grids. I don't want to match it manually in Photoshop. Does QGIS know how to ...
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347 views

What's in the alpha channel in jp2 imagery file downloaded from usgs?

I'd like to know what's in the 4th channel in jp2, imagery files downloaded from USGS. In Photoshop those files open in grayscale mode, so to fix it I change them to multichannel and then RGB. But I ...
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84 views

strange zoom/pan behavior in QGIS on layers extracted from USGS Geopdf topo

Starting with a USGS geopdf topo 7.5 quad, I extracted the layers to a spatialite database using ogr2ogr: ogr2ogr -a_srs "WGS84" -f sqlite fisher.sqlite UT_Fisher_Towers_20170216_TM_geo.pdf I then ...
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1answer
224 views

Landsat 7 - 8 surface reflectance bands from ESPA (LEDAPS)

I have downloaded some Level 1 and higher level imagery data including surface reflectance as well. I should process these data in Idrisi (Selva) package. The Level 1 images' pixel values are between ...
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1answer
302 views

USGS Landsat: Use of earth explorer

I am new in the field of geospatial analysis and I'm trying to learn how to process satellites images for remote sensing purposes. I think that my problem is a very basic one. I'm following some ...
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1answer
656 views

Can USGS High Resolution Orthoimagery be viewed online?

I found the USGS EarthExplorer where one can download their High Resolution Orthoimagery. This imagery can also be previewed in the EarthExplorer once a particular tile is found, but I wonder if there ...
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1answer
303 views

Manually adding spatial reference information for FEWS rainfall data using QGIS?

I am trying to match rainfall data from USGS/FEWS to coordinate locations of survey households in Ethiopia, so I will need to be able to project the rainfall data. So far, I downloaded the dekadal RFE ...
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1answer
93 views

How to create a scale from a colored DEM?

I am trying to create a scale from this image image source How would I be able to create a colored scale corresponding to the image height exactly, as I do not have any programs that I can download ...
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1answer
1k views

Large Shapefiles in R

I would like to work with the USGS dataset PADUS in R. However the files are huge and I just want to plot out the main state and national forests, parks and protected areas. Does anyone have any ...
4
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1answer
262 views

QGIS Loading GeoTiff at Origin

I have a GeoTiff that loads incorrectly in QGIS. Instead of displaying the image at the correct coordinates, QGIS positions the raster with its upper left corner at (0,0). This same file loads ...
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2answers
339 views

USGS National Map to ArcGIS

Everything I know about GIS I've learned myself. I wrote a small utility for my non-profit employer that used the USGS 'The National Map's online services to pull a sized image of USGS Topographical ...
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1answer
228 views

Why are Landsat 8 files on AWS compressed cf those from USGS?

I want to shift from downloading Landsat8 imagery directly from USGS to the AWS service (https://pages.awscloud.com/public-data-sets-landsat.html). I have some automated processes that are not ...
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0answers
48 views

Getting the elevation of 400 million points in the US, how to get the elevation of these points from a dataset? [closed]

I'm a software engineer working on a game concept that would create the United States in the form of a grid, each grid being 200m x 200m in size with an elevation attached to each corner to create a ...
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2answers
347 views

Where to download QA bands (cfmask bands) for surface reflectance Landsat7

I downloaded scenes from both Landsat 7 & 8 reflectance. However, QA bands are included in Landsat 8 but not 7. I selected "all data" when downloading. Anyone has a clue where the QA bands are for ...
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1answer
151 views

USGS Tree Canopy data download issue

I'm trying to download the USGS NLCD 2011 Tree Canopy data from the National Land Cover Database (http://www.mrlc.gov/nlcd11_data.php), but it's really slow. Does anyone know of an alternative site to ...
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0answers
63 views

Fixed distance buffer version 2.16.1 problems [duplicate]

I am trying to buffer a simple line and the program simply won't complete the process after 10 attempts. I am buffering to 20,000 (I assume it's metres). Anyone had this issue before? My internet is ...