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Downscaled Climate Model Output for the Salmon River Basin, Idaho from WCRP CMIP3 Scenarios used in IPCC AR4 [Delta Method]

The intended use of these data are for studies that require predictions of future temperature and precipitation conditions in the Salmon River Basin, United States.

This data series contains 336 temporal datasets. These data are are climate model outputs, primarily precipitation and temperature. They have been bias-corrected and spatially downscaled (BCSD) to 12-km by Maurer et al. (2007) using the CMIP3 climate model data. These monthly products are available from this link (http://gdo-dcp.ucllnl.org/downscaled_cmip3_projections/) which we temporally disaggregated to a daily time step using the Delta method. This temporal disaggregation involved the following steps. This included a random picking of a historical year to compute the mean of the daily precipitation and temperature of the gridded observed record for the same month as the future year. Then, by calculating the difference between the future monthly mean temperature and historical mean of monthly mean temperature, "delta t" and by calculating the ratio between the future monthly mean precipitation and historical mean of monthly mean precipitation, "r", we obtained these two ratios, namely addition (for temperature) and multiplication (for precipitation) factors. Finally, we compute the temperature and precipitation by adding "delta t" to daily temperature of the month of a randomly selected year and multiplying daily precipitation by "r" for the month of a randomly selected year for the given month.

Access constraints: Data will be provided to all who agree to appropriately acknowledge the National Science Foundation (NSF), Idaho EPSCoR and the individual investigators responsible for the data set. By downloading these data and using them to produce further analysis and/or products, users agree to appropriately acknowledge the National Science Foundation (NSF), Idaho EPSCoR and the individual investigators responsible for the data set.

Use constraints: Acceptable uses of data provided by Idaho EPSCoR include any academic, research, educational, governmental, recreational, or other not-for-profit activities. Any use of data provided by the Idaho EPSCoR must acknowledge Idaho EPSCoR and the funding source(s) that contributed to the collection of the data. Users are expected to inform the Idaho EPSCoR Office and the PI(s) responsible for the data of any work or publications based on data provided.

Liability: Although these data have been processed successfully on a computer system at the Idaho Geospatial Data Clearinghouse, no warranty, expressed or implied, is made regarding the utility of the data on any other system, nor shall the act of distribution constitute any such warranty.

FieldValue
Modified
2019-03-19
Release Date
2015-06-09
Publisher
Identifier
dcc5dd34-c6be-4196-b5fd-770a2245059d
NKN Identifier
C45D794E-4AF1-410F-93C9-3C7924F19D71
Spatial / Geographical Coverage Area
POLYGON ((-119.06982421875 41.079351149469, -119.06982421875 46.212023564266, -109.248046875 46.212023564266, -109.248046875 41.079351149469))
Spatial / Geographical Coverage Location
Salmon River Basin, Idaho, USA
Temporal Coverage
Language
English (United States)
License
Granularity
12 kilometer
Author
Xin Jin, V. Sridhar, Boise State University, Idaho EPSCoR, and National Science Foundation (NSF).
Contact Name
Dr. V. Sridhar
Contact Email
Public Access Level
Public
DOI
10.7923/G4MW2F2M
Data available on::