Box Model for the GSL Hydrologic System

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Box Model for the GSL Hydrologic System Thuan Chau, Mason Edwards NASA 2003

description

Box Model for the GSL Hydrologic System . Thuan Chau , Mason Edwards. NASA 2003. Box Model. P DB. E.T. DB. P GSL. E GSL. Drainage Basin (DB). Bear River Weber River Utah Lake. Great Salt Lake (GSL). Q. Horsburgh 2010. Polynomial Determination. Curry 1984. - PowerPoint PPT Presentation

Transcript of Box Model for the GSL Hydrologic System

Page 1: Box Model for the GSL Hydrologic System

Box Model for the GSL Hydrologic System

Thuan Chau, Mason Edwards NASA 2003

Page 2: Box Model for the GSL Hydrologic System

Box ModelE.T.DBPDB

EGSLPGSL

Q

Drainage Basin (DB)

Great Salt Lake (GSL)•Bear River•Weber River•Utah Lake

Horsburgh 2010

Page 3: Box Model for the GSL Hydrologic System

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

Page 4: Box Model for the GSL Hydrologic System

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