Questions tagged [data]

Any collection of related facts arranged in a particular format; often, the basic elements of information that are produced, stored, or processed by a computer.

Filter by
Sorted by
Tagged with
0 votes
1 answer
90 views

Seeking above ground biomass global map/dataset?

I need a global above-ground biomass raster dataset from which I will subset a certain area of southeast Asia. I tried to use GEDI data but couldn't work out how to use this data. Is there any other ...
Mohammed7's user avatar
1 vote
1 answer
111 views

When did USPS stop shipping its TIGER/ZIP+4 product?

When did USPS stop producing its TIGER/ZIP+4 dataset? Updates to the product page archived by the WayBack Machine stopped in July 2011, but it looks like some people might have been using it later ...
BStack's user avatar
  • 118
0 votes
1 answer
60 views

Finding climate tabular data on specific area

I'm new to this sector and I would like to find a sort of tabular dataset regarding climate information (weekly/daily: precipitation, humidity, windy, and so on) for a specific area of interest (in my ...
Daniele's user avatar
  • 11
7 votes
2 answers
2k views

Higher resolution of country borders

I have been looking and looking for a long while, but I was unable to find any freely available datasets for country borders with resolution higher than 1:1000000. I found this strange as I thought ...
David Kan's user avatar
0 votes
2 answers
409 views

Need TIGER/line national (USA) road files, not per county

I'm trying to get the TIGER/line files for roads to create a raster of major and minor road density for about half of the USA. The problem is the interactive tool provided (https://www.census.gov/cgi-...
Beardedant's user avatar
0 votes
1 answer
610 views

Finding building heights/levels for North America

Until recently I have been a blind user of tile maps using Leaflet and one or the other major providers such as Here, MapBox etc. For my current project I find it necessary to have far finer control ...
DroidOS's user avatar
  • 141
-1 votes
1 answer
233 views

Seeking free satellite imagery basemaps to be used in webapps with frequent updates

I am looking for satellite imagery base maps to be used in my web application. I have been using Google satellite base maps, but they are very old. I need something which has frequent updates, weekly ...
alauddin's user avatar
1 vote
1 answer
631 views

List of commonly used categories in POIs

I want to add POI management functionality to an existing software project. Though providing a list of categories seems a bit tricky. On one side, I do not want to reinvent the wheel and create my own ...
benjist's user avatar
  • 334
4 votes
2 answers
2k views

Seeking cities boundaries of Canada

I would like to download Canadian cities' borders as shapefiles for clipping satellite imagery for several cities. I could find the US city borders as "Urban Areas" in the following page: ...
Gab's user avatar
  • 403
1 vote
1 answer
1k views

Seeking detailed Cyprus borders shapefile

I need to to show the Republic of Cyprus, the TRNC, the Buffer Zone and the British Bases. I've looked everywhere and every time it only shows the Republic, which makes sense as it is the UN ...
TasosZ's user avatar
  • 19
0 votes
2 answers
108 views

Seeking open access 10-30 m spatial resolution imagery?

The data from Landsat-8 and Sentinel-2A&B satellite missions is available at no cost. I am curious to know if there are other sources of freely available multi-spectral moderate resolution ...
Rex's user avatar
  • 1,198
-1 votes
1 answer
58 views

Downloading CRU TS 3.0 data with custom temporal range

I want to download CRU TS 3.0 data from year 1960-1990. However in the website https://catalogue.ceda.ac.uk/uuid/c9dd2107e0b7e8c7b6aca7c34980f679 the data is downloaded from 1901-2006. Is there anyway ...
Hallie Sheikh's user avatar
0 votes
0 answers
185 views

Mapping election data by zip

I am trying to create a map of Presidential election results by ZIP code, but all I have been able to find is election data by county (too broad) and precinct (too narrow). Does anyone know of a ...
user1071914's user avatar
-1 votes
1 answer
512 views

Seeking data on population per postcode district in UK [closed]

I'm searching for a data set which contains the population of each postcode district (e.g SG1 or LE2) in the UK. I'm struggling to find this anywhere especially for free. Is there anywhere I can find ...
Dom McEwen's user avatar
2 votes
0 answers
155 views

Representing Hydrographic survey in QGIS

I have a depth Layer (soundings) and I would like to represent the labels the same way as in a Hydrographic Map. As you can see in the image bellow, we have this kind of representation in a ...
Paulo Martinho's user avatar
-1 votes
3 answers
3k views

List of extreme latitudes and longitudes for each US state?

I need a list of extreme latitudes and longitudes for each US state. That is, max / min latitude, max / min longitude. The purpose is to exactly center each state map when initially shown. I found ...
Daniel Goldman's user avatar
0 votes
1 answer
49 views

Using NASA Above landcover imagery in place with Qgis

Landsat-derived Annual Dominant Land Cover Across ABoVE Core Domain is composite tiled classified imagery dataset covering the years 1984-2014. The format is elegant and clever but hard to use. Each ...
matt wilkie's user avatar
  • 28.2k
0 votes
1 answer
51 views

Using NASA Above landcover imagery in place with ArcGIS

Landsat-derived Annual Dominant Land Cover Across ABoVE Core Domain is composite tiled classified imagery dataset covering the years 1984-2014. The format is elegant and clever but hard to use. Each ...
matt wilkie's user avatar
  • 28.2k
0 votes
1 answer
451 views

What is name of dataset in GEE to estimate level of urbanization for each county (district) in a country /region?

I am epidemiologist, not remote sensing expert. I am interested to find association between disease incidence /reported cases with urbanization (hypothesis " more bigger cities , more incidence&...
Tariq Abbas's user avatar
0 votes
0 answers
30 views

Download salinity data from Government of Canada [duplicate]

Since I would like to use the salinity data with lat/lon in the Gulf of St. Lawrence, Canada to compare with the fishing data. I'm trying to download the 2010-2019 average salinity data. As the table ...
Yanchen's user avatar
0 votes
2 answers
82 views

Downloading salinity data from Government of Canada

Since I would like to use the salinity data with lat/lon in the Gulf of St. Lawrence, Canada to compare with the fishing data. I'm trying to download the 2010-2019 average salinity data. As the table ...
Mary Scolten's user avatar
0 votes
1 answer
103 views

Seeking incline of roads data

I need to plot the incline of roads in England. I could estimate this using elevation data, however this would be a significant amount of work. Does this data already exists (ideally free with a ...
Max888's user avatar
  • 109
1 vote
1 answer
282 views

Seeking road network of Sweden with speed limits

I need road network data of Sweden with the speed limit of each segment of the road. I downloaded it from https://download.geofabrik.de/ but unfortunately, there are a lot of missing values there. Is ...
Elham's user avatar
  • 419
0 votes
0 answers
26 views

Seeking Moderate to High Resolution Forest Fire Before and After Images

I'm trying to search through the moderate to high-resolution satellite image data sets for imaging that shows forests both before and after a forest fire in order to assess the burn severity and the ...
Jacob's user avatar
  • 9
2 votes
1 answer
397 views

Preparing data for timeline animation in QGIS

I have a data-spreadsheet containing a value-attribute that changes over time for a number of administrative units. I have a polygon layer as well with features for each of the administrative units. ...
Babel's user avatar
  • 71.2k
0 votes
1 answer
64 views

What global (or very large area regional) digital elevation models (DEMs) products are publicly available? [closed]

What global or large regional area DEM and/or DSM products are publicly available?
1 vote
2 answers
126 views

Trying to find historical building footprints or centroids [closed]

I'm currently doing a research project analyzing how cities evolve over time and was wondering if there were any good online databases for finding historical building footprints. I've been looking ...
novark3's user avatar
  • 21
1 vote
0 answers
953 views

Seeking shapefile of urban, suburban, and rural areas of US [closed]

I'm looking for something like this, doesn't have to be super accurate. I've tried searching for the source of that image but to no avail.
Ben Hendel's user avatar
0 votes
0 answers
24 views

Where to find open tabular hyperspectral data for machine learning research?

Where can i find open datasets regarding " Wheat/Maize Leaf Spectra with Associated water content, Potassium and Nitrogen Measurements" for machine learning research i.e. hyperspectral ...
user2400412's user avatar
-1 votes
3 answers
518 views

Accuracy of country shapefiles

I am working with a country shapefile for Pakistan, however it does not seem to be completely accurate. I wonder if this is an inherent limitation of shapefiles, or whether I could find an accurate ...
dmswjd's user avatar
  • 1
0 votes
1 answer
425 views

Is there an international standard for region codes that defines the European Union? [closed]

I have seen the ISO 3166 defines 2-letter, 3-letter and numerical codes for countries around the world. However, the European Union does not seem to have a code. Is there an international standard for ...
Peque's user avatar
  • 111
1 vote
0 answers
56 views

Download Daymet tileID grid?

I'm trying to download tiled Daymet climate data ([see here])1. One can automate this process using a shell script, but you need to know the tileIDs that you want. Is there a way to download the tile ...
Nick's user avatar
  • 1,603
0 votes
1 answer
36 views

Is there a standard vernacular for levels of political boundaries (specifically city, county, state, nation)

While building a geotemporal web app, I found that virtually all countries followed this simple four-level structure, akin to what we in the US of A call: city, county, state, nation. However, most ...
Douglas's user avatar
  • 109
2 votes
1 answer
2k views

How do I clip a raster to the shape of a polygon (non rectangle)

I would like to clip a raster to follow the shape of a river, which has lots of meaders and bends. I have created a buffer for the river of 300m and was hoping to use this to clip the raster. However, ...
gisndev's user avatar
  • 348
1 vote
1 answer
311 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 ...
user avatar
-1 votes
1 answer
44 views

Where can I purchase small scale high res raster imagery?

I am doing a personal project in my neighborhood that requires some georeferencing and as such I am looking for some sub-1m accuracy orthos with which to assist. The normal free sources such as USGS ...
Conor's user avatar
  • 3,032
1 vote
0 answers
105 views

Ground Truth Data for India [closed]

I'm starting to get involved in a humanitarian project to understand crop-type and crop-yield in India to identify areas where they may be food shortages. The current approach for this project is to ...
djq's user avatar
  • 16.3k
0 votes
0 answers
92 views

Looking for rivers data of South Italy

I am working on a twelfth-century description of South Italy (Calabria, Apulia and Campania) which describes rivers that are now dried up. I am attempting to create maps which reflect the description ...
Katherine Jacka's user avatar
0 votes
1 answer
311 views

Get the begin and end coordinates of city municipality

I am not sure if this is the right place to ask this question. I would like to have an idea of precise coverage (extend) for the latitude/longitude of the city of Porto, Portugal. This is in ...
arilwan's user avatar
  • 133
1 vote
2 answers
556 views

QGIS points disappear after changing CSV file location, changing data source doesn't help

I moved my database and shape files, and wanted to relink them to my QGIS project. The shape file worked fine, but the CSV file wasn't reloading properly no matter what I tried. I could see the fields ...
fadelm0's user avatar
  • 113
1 vote
0 answers
47 views

What is the best way to deal with inconsistent gSSURGO data across state boundaries? [closed]

I am calculating available water content (awc) using the values aws0_999 and tk0_999a from the gSSURGO Value1 table for South Dakota and Wyoming to use in a soil water balance model (SWB) to estimate ...
Todd A.'s user avatar
  • 19
1 vote
1 answer
541 views

My dataset lists state and county FIPS codes separately. How should I combine?

I can't do a simple "concatenate" because the codes don't have leading zeroes. Are there any available APIs that I can use to geocode this data given the format? Or do I have to manipulate them so ...
vastava's user avatar
  • 125
1 vote
0 answers
443 views

How to convert XYZ to from-to format with azimuth and dip information? [closed]

I have an Excel spreadsheet with header, survey, and assay drill data. Header data contains hole ID, location coordinates, and length. Survey data contains related downhole survey with distance, ...
mika's user avatar
  • 11
0 votes
1 answer
67 views

Looking for data to create contour lines at close range

This is my first post here and I'm new to GIS and I'm not massively even sure what I'm asking, so please be gentle! I'm attempting to learn QGIS through self-study and my idea is to take on a few ...
Kirsty Henderson's user avatar
2 votes
1 answer
81 views

Seeking dataset to create reproducible ArcPy example for ArcGIS Pro

I would like to create a reproducible example for ArcPy (for ArcGIS Pro) and cannot locate any example feature classes or rasters that come with installation. I am looking for something like the ...
ENIAC-6's user avatar
  • 896
-3 votes
1 answer
477 views

QGIS and use of Python/R [closed]

I am very new to spatial econometrics. I have two quick questions about QGIS. Is QGIS Python powered? Do I need to learn Python for QGIS or knowledge of R will be sufficient to use QGIS? I don't know ...
Anwesha Bandyopadhyay's user avatar
1 vote
0 answers
624 views

Up-to-date South Korea level-1 administrative boundaries following land reclamation

Because of land reclamation, South Korea's western coastline changes regularly and data is regularly outdated. For example, GADM shapefiles describe boundaries prior to the development of Songdo. How ...
syre's user avatar
  • 407
0 votes
1 answer
57 views

Getting my data to be focused on one state

I have a map I'm working on for a final project and I'm a bit stuck as what to do moving forward. I have a map I'm making for forest fires and the type of tree in that area and I'm trying to get it ...
Parker's user avatar
  • 3
1 vote
1 answer
755 views

Sources for population density map of Europe

I want to make population density map for EU where I can show populations of people aged about 65yrs, where can I get a EU shapefile and population Excel file? Is there any EU shape file available ...
geoak's user avatar
  • 19
-1 votes
1 answer
75 views

Seeking a GNSS data to be use for my work [closed]

I would like to understand what GNSS is used for? Can I download it from the website and use it for my work? I am not familiar with it. Does it come with the GPS? Does it come with horizontal ...
PROBERT's user avatar
  • 4,131

1
2
3 4 5
33