Colorado River Basin Natural Flow and Salt Data
Current Natural Flow and Salt Data
This natural flow data for the Colorado River Basin is
currently being used for modeling purposes in the Colorado River
Simulation System (CRSS).
Please note that even though natural flow
data is termed "current," it is SUBJECT TO CHANGE over the entire record due
to source data updates.
Presently, the consumptive uses and losses data
from 2001-2005 used to compute natural flow are PROVISIONAL and will be
revised in the future. These revisions will change the natural flow
computation.
Regularly visit this website to ensure you are using the most current version of natural flow
data.
| CURRENT natural flow data 1906-2005 (Excel file, 2.7 MB) - Updated 6/22/07
(NOTE: **Data Used for Shortage FEIS and Triennial Review**)
Upper Basin: CSU extensions and MHYDRO 1906-1970 combined with recompiled JPrairie 1971-2005
Lower Basin: CSU extensions and March 1992 Reclamation report 1906-1970 combined with recompiled RCallejo 1971-2005
1971-2004 flow data revisions (PDF file, 12 KB) resulting from changes identified during update through 2005
1971-2003 flow data revisions (PDF file, 12 KB) resulting from changes identified during update through 2004
CURRENT natural salt mass data 1906-2005 (Excel file, 2.2 MB) - Updated 8/8/07
(NOTE: **Data Used for Triennial Review 2008**)
Upper Basin: Direct from regression based on 1971-2005 data
Lower Basin: 1906-1970 direct from regression based on 1971-2005 data combined with recompiled RCallejo 1971-2005
CURRENT natural salt concentration data 1906-2005 (Excel file, 1.5 MB) - Updated 8/8/07
(NOTE: **Data Used for Triennial Review 2008**)
Upper Basin: Direct from regression based on 1971-2005 data
Lower Basin: 1906-1970 direct from regression based on 1971-2005 data combined with recompiled RCallejo 1971-2005
Shortage FEIS natural salt mass data 1906-2005 (Excel file, 2.2 MB) - Updated 6/22/07
(NOTE: **Data Used for Shortage FEIS**)
Upper Basin: Direct from regression based on 1971-1995 data
Lower Basin: 1906-1970 direct from regression based on 1971-2005 data combined with recompiled RCallejo 1971-2005
Shortage FEIS natural salt concentration data 1906-2005 (Excel file, 1.5 MB) - Updated 6/22/07
(NOTE: **Data Used for Shortage FEIS**)
Upper Basin: Direct from regression based on 1971-1995 data
Lower Basin: 1906-1970 direct from regression based on 1971-2005 data combined with recompiled RCallejo 1971-2005
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Webmaster: Janie Jo Smith
Updated: November 2007
