The Science of Instream Flows: A Review of the Texas Instream Flow Program (2005)

Chapter: Acronyms

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Page 135 Cite

Suggested Citation:"Acronyms." National Research Council. 2005. The Science of Instream Flows: A Review of the Texas Instream Flow Program. Washington, DC: The National Academies Press. doi: 10.17226/11197.

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Acronyms

AFY

Acre feet per year

CCEFN

Consensus Criteria for Environmental Flow Needs

cfs

Cubic feet per second

CWA

Clean Water Act

DO

Dissolved oxygen

DTS

Detailed Technical Studies

EPA

United States Environmental Protection Agency

ESA

Endangered Species Act

FERC

Federal Energy Regulatory Commission

FIFS

Framework for Instream Flow Studies

GIS

Geographical information system

HSC

Habitat suitability criteria

IBI

Index of Biotic Integrity

IFC

Instream Flow Council

IFIM

Instream Flow Incremental Methodology

ISF

Instream flow

IHA

Indicators of Hydrologic Alteration

ITA

Initial Technical Assessment

LCRA

Lower Colorado River Authority

LWD

Large woody debris

NPDES

National Pollution Discharge Elimination System

NRC

National Research Council

PHABSIM

Physical Habitat Simulation Approach

PWP

Programmatic Work Plan

QA

Quality assurance

QC

Quality control

SWFWMD

Southwest Florida Water Management District

TCEQ

Texas Commission on Environmental Quality

TMDL

Total maximum daily load

TNRCC

Texas Natural Resources Conservation Commission

TOD

Technical Overview Documents

TPDES

Texas Pollutant Discharge Elimination System

TPWD

Texas Parks and Wildlife Department

Page 136 Cite

Suggested Citation:"Acronyms." National Research Council. 2005. The Science of Instream Flows: A Review of the Texas Instream Flow Program. Washington, DC: The National Academies Press. doi: 10.17226/11197.

×

TSS

Total suspended solids

TWDB

Texas Water Development Board

USACE

United States Army Corps of Engineers

USGS

United States Geological Survey

WAM

Water Availability Model

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Across the United States, municipalities, counties, and states grapple with issues of ensuring adequate amounts of water in times of high demand and low supply. Instream flow programs aim to balance ecosystem requirements and human uses of water, and try to determine how much water should be in rivers. With its range of river and ecosystem conditions, growing population, and high demands on water, Texas is representative of instream flow challenges across the United States, and its instream flow program may be a model for other jurisdictions. Three state agencies—the Texas Water Development Board (TWDB), the Texas Parks and Wildlife Department (TPWD), and the Texas Commission on Environmental Quality (TCEQ)—asked a committee of the National Research Council (NRC) to review the Programmatic Work Plan (PWP) and Technical Overview Document (TOD) that outline the state’s instream flow initiative. The committee suggested several changes to the proposed plan, such as establishing clearer goals, modifying the flow chart that outlines the necessary steps for conducting an instream flow study, and provide better linkages between individual studies of biology, hydrology and hydraulics, physical processes, and water quality.

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