Download - Box Model for the GSL Hydrologic System
Box Model for the GSL Hydrologic System
Thuan Chau, Mason Edwards NASA 2003
Box ModelE.T.DBPDB
EGSLPGSL
Q
Drainage Basin (DB)
Great Salt Lake (GSL)•Bear River•Weber River•Utah Lake
Horsburgh 2010
H2nd = - 4E-06x2 + 0.0286x + 4165.1
H3rd = 5E-10x3 - 7E-06x2 + 0.0333x + 4163.4
H4th = 4E-14x4 + 9E-11x3 - 6E-06x2 + 0.0323x + 4163.6
H5th = 4E-16x5 - 4E-12x4 + 1E-08x3 - 3E-05x2 + 0.0461x + 4161.4
H =4.5E-10x3 – 7.4E-06x2 + 0.0338x + 4163
Polynomial Determination
Curry 1984
PDB
(m/yr) PGSL
(m/yr) ETDB
(m/yr)
EGSL
(m/yr)
AreaDB (mi2)
AreaGSL (mi2)
Surface Elevation
Model(ft)
Surface Elevation
Record(ft)
Difference (%)
Current 0.42 0.29 0.33 1.14 13000 1376 4197 4197 0
Gilbert 0.66 0.48 0.33 1.14 13000 6593 4194 4250 1.32
Provo 0.88 0.64 0.33 1.14 13000 14430 4462 4740 5.86
Bonneville 0.98 0.71 0.33 1.14 13000 19674 5391 5090 5.91
Stansbury 0.76 0.55 0.33 1.14 13000 9356 4200 4500 6.67
Conditions to Reproduce Prehistoric Shorelines
Model Limitations and Further Considerations:•Effect of isostasy•Change in evapotranspiration with lake level