CRBCZO -- Stream Water Chemistry, Stream Suspended Sediment, Stream Water Temperatures, Groundwater Depth -- USGS -- Christina River Basin -- (1985-2007)


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Owners: CZO ChristinaCZO National
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Created: Nov 18, 2019 at 9:43 p.m.
Last updated: Nov 21, 2019 at 8 p.m.
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Abstract

The United States Geological Survey has collected continuous instantaneous time-series data, with intervals commonly ranging from 5-60 minutes. Historically, these instantaneous data have been processed into various daily values, such as the daily maximum, minimum and/or mean. This was done primarily to provide concise values for publication in paper reports. In more recent years, and particularly since the USGS began making real-time instantaneous data available on NWISWeb in 1994, more attention has been given to historical instantaneous data and USGS offices have received increasing requests for these data. Some challenges with meeting those requests are:

Most historical instantaneous data are paper based and were never stored on a computer or were deleted from computers after the computation of the daily values in order to save computer storage space. In most cases this data still exists as original field records, but it is a significant effort to create digital data from the paper-based records.

Instantaneous data have not historically received the same level of quality control as the official published daily values. For example, periods of fouling may affect the calculation of daily values for a water-quality parameter. In these situations, daily values are typically not published but erroneous instantaneous data remain in the database.

For more info on accuracy codes etc, see comments/README

Date Range Comments: 30 min to 1 hour intervals

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Christina River Basin, Christina River Basin
North Latitude
40.0728°
East Longitude
-75.5936°
South Latitude
39.8697°
West Longitude
-75.8611°

Temporal

Start Date: 10/01/1985
End Date: 09/30/2007
Leaflet Map data © OpenStreetMap contributors

Content

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Additional Metadata

Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
NSF 0724971
NSF 1052716

How to Cite

Survey, U. G. (2019). CRBCZO -- Stream Water Chemistry, Stream Suspended Sediment, Stream Water Temperatures, Groundwater Depth -- USGS -- Christina River Basin -- (1985-2007), HydroShare, http://www.hydroshare.org/resource/1b643229b1bf471e82d3cedfb3e1f22f

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/
CC-BY

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