WETLAND HYDROLOGY: WATER BUDGETS

HYDROPERIOD

WATER BUDGET

A. Three components create storage

Flow balance

Surface contours

Subsurface soil, geology, groundwater

B. Physical conditions

C. Inflow/outflow budget equation

D. Variation within water budget terms (geographic, seasonal)

Precipitation

Surface inflow and outflow

Groundwater

Evapotranspiration

Tides

WATER BUDGET EXAMPLES

A. Alluvial cypress swamp

B. Great Lakes coastal wetland

C. Mangrove, Florida

D. Prairie pothole

E. Okefenokee, Georgia

F. Fen, Wales

G. Green Swamp, Florida

H. Bog

I. Pocosin

LOCAL SURFACE HYDROLOGY

A. Four patterns of fluctuation

Base flow

Event fluctuation

B. Mean occasion and study maximum for 19 sites

C. BBC 24 vs. B3I