2023 Early Hearing Detection & Intervention Conference

March 5-7, 2023 • Cincinnati, OH

5/23/2019 | 9:00 AM - 9:15 AM | A CALIFORNIA ENVIRONMENTAL FLOWS FRAMEWORK | 250 CF

A CALIFORNIA ENVIRONMENTAL FLOWS FRAMEWORK

Multiple state and local agencies across California share responsibility for setting environmental flow standards to protect and improve the health of freshwater ecosystems. Historically, these efforts were not coordinated and resulted in fragmented and inconsistent development of environmental flow criteria. To improve the scale, coordination, and effectiveness of environmental flow programs, scientists from government agencies, academic institutions, and NGOs have begun to pool knowledge and data, evaluate methods, and develop a statewide approach for establishing environmental flow standards. Participating partners have formed a workgroup to strengthen linkages between research and agency program needs, and provide support for resource managers working to secure environmental flow protections in the state’s rivers and streams. A key product of this effort is the California Environmental Flows Framework, which is structured in two tiers. Tier 1 prescribes statewide environmental flow standards for all streams in the state, based on the natural hydrology of reference gages. Where additional specificity is required, Tier 2 provides guidance for setting flow criteria that is tailored to local management contexts. Collectively, we aim to achieve consistent, scientifically defensible, and coordinated methods for assessing and managing environmental flows in the state.

Conservation
Hydrology
Policy

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Presenters/Authors

Ted Grantham (), University of California, Berkeley, tgrantham@berkeley.edu;