USGS - science for a changing world
U.S. Geological Survey Science Data Catalog
  1. Overview
  2. Understanding REST URL
  3. Try it yourself
  4. Available Search Fields
  5. Quick Search Snippet
  6. Web Services


The USGS Science Data Catalog (SDC) is a tool for discovery of public USGS Datasets through text-based search; keyword, mission area, data source, and scientist faceting; and GIS-based search mechanisms. Developed by USGS Core Science Analytics, Synthesis, and Libraries program, in collaboration with Oak Ridge National Laboratory (ORNL) Mercury Consortium.

Understanding SDC URL

SDC URL:'SDC Field'':Your search term&q=*%3A*
"SDC Field" could be substituted by any field listed below.


Try it yourself

Hint: Wildcards and phrases are allowed. ex: precipitation or rain* or "weather data"

Available Search Fields

SDC FieldFull NameUsage Example
abstract Abstract"Landsat Thematic Mapper"&q=*:*
author Author"Steven E. Hanser"&q=*:*
author_lname Author Last name*smith*&q=*:*
beginDate Data Begin Date"1982-08-27T00:00:00Z"&q=*:*
collection_id Collection ID"Water_National_Spatial_Data_Infrastructure_Node"&q=*:*
contactOrganization Contact Organization*Geological*&q=*:*
datasourceData Provider"Water National Spatial Data Infrastructure Node"&q=*:*
data_url Data URL*woodshole*&q=*:*
data_url_format Data Format*zip*&q=*:*
dataTypeData Type*%3A*
decade year range, Example: 1990 - 1910"1970 to 1979"&q=*:*
direct Geospatial reference method*:*
eaover Entity and Attribute (Overview)*bathymetry*&q=*:*
endDate Data End Date"1982-09-16T00:00:00Z"&q=*:*
enttypl Entity Type*:*
fullText Entire XML document"bald eagle"&q=*:*<
isSpatial Boolean: Global or Not*:*
keywords Keywords"Magnetic Anomalies"&q=*:*
metd Metadata Date"2014-09-11T00:00:00Z"&q=*:*
Mission AreaMission Area*%3A*
network_url Data URL or Services URL**&q=*:*
noBoundingBox Boolean: Bounding box or Point*:*
origin Originator (person OR responsible Org)"u.s. geological survey"&q=*:*
originator Originator (Normalized)"USGS"&q=*:*
placeKey Place Keyword*:*
presentationCat Geo form*ASCII*&q=*:*
procdate Process Dates*:*
procdesc Process Description*imported*&q=*:*
pubDate Publication Date*2013*&q=*:*
purpose Purpose"earth elevation map of the gateway national recreation"&q=*:*
spref Spatial Reference american vertical datum of 1988&q=*:*
title Title"Biodiversity Information Serving Our Nation (BISON)"&q=*:*
update_dateUpdate Date*:*
web_url First Data or Network URL**&q=*:*
Spatial Fields
northBoundCoord Float: North coordinate*:*
southBoundCoord Float: South coordinate\-90&q=*:*
eastBoundCoord Float: East coordinate*:*
westBoundCoord Float: West coordinate\-180&q=*:*
geo Bouding box or point location*%3A*

Quick Search Snippet

Copy/Paste the code below to include SDC "Quick Search" snippet on your website:

Web Services

Users can search SDC holdings via a REST based Web service. To invoke the Web service, simply add/replace the query parameter (fq) with any of the above defined SDC fields. Here is an example:*Colorado*&q=*:*&start=0&rows=10&wt=xslt&tr=example_rss.xsl

Search response is in the ATOM XML format. Any RSS reader can be used to view the response or a custom view can be created from the response.

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