Monthly Archives: April 2015

The Delta Challenges Workshop

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Four former Delta lead scientists take on a challenge: Describe the Delta’s challenges, complexities, and controversies in just 20 pages By Maven, Maven’s Notebook The mission, should you choose to accept it, is this, they said: “Prepare a report in which they will describe concisely why the Delta is such a complex system, what is known with confidence about the […]

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Delta ISB Draft Report on Fishes and Flows in the Sacramento-San Joaquin Delta: Strategic Science Needs – Public comment due by April 30


The Delta Independent Science Board (Delta ISB) has released its draft report, Fishes and Flows in the Sacramento-San Joaquin Delta: Strategic Science Needs, and is accepting public comment on the draft report until April 30, 2015.   The report broadly examines the science focused on the effects of water flows on Delta fish populations and makes specific recommendations on strategic science […]

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The uncertain future of the Delta smelt


From the FishBio blog: “The lowest ever recorded index of abundance for delta smelt (Hypomesus transpacificus) was reported earlier this year in the results from the 2014 California Department of Fish and Wildlife (CDFW) Fall Midwater Trawl (FMWT) of the Sacramento-San Joaquin River Delta, raising questions about the future survival of the species. In addition, all other species reported, with […]

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Floodplain Management Can Increase Groundwater Supply


From UC Merced: “California’s groundwater is being rapidly depleted because cities and farms extract more than is replenished naturally, compacting local aquifers and decreasing supply in some places in the Central Valley.  And, it turns out, levees placed along rivers in the late 1800s and early 1900s to protect farms and cities from floods are actually hurting farmers’ and residents’ ability […]

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Turning the tide for wildlife on Humboldt Bay

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From USFWS Field Notes: For conservationists in the uppermost parts of coastal northern California there is a great desire to restore tidal influences to diked coastal wetland habitats surrounding Humboldt Bay, which is second only to San Francisco Bay in terms of size, and the numbers and diversity of migratory waterbirds that winter along California’s coastal Pacific Flyway.  Estuaries are […]

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A new comprehensive plan for the San Francisco Bay estuary


From Ariel Rubissow-Okamoto at Estuary News: “Changing estuarine conditions and new pressures from ongoing urbanization and development, as well as from climate change, inspired estuary planners to undertake a revision to the Comprehensive Conservation and Management Plan (CCMP) in 2014. The CCMP, first published in 1993 and most recently updated in 2007, was the first master plan for improving the […]

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Seeing into Water in New Ways: The Visualizing Nutrients Challenge


From the USGS: The U.S. Geological Survey, the U.S. Environmental Protection Agency, and Blue Legacy International (a nonprofit organization) announce the Visualizing Nutrients Challenge, an innovation competition with $15,000 in cash prizes. Harnessing the competitive instinct for the public good, this contest focuses on inventive ways to organize and analyze existing data of nutrient levels in water. Participants will tap […]

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Delta Conservancy Draft Guidelines for Prop 1 Ecosystem Restoration and Water Quality Grant Program Available for Public Comment

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The Delta Conservancy has released the proposed Grant Guidelines and Grant Application Packet for the spending of Proposition 1 funds. The guidelines for the Conservancy’s Ecosystem Restoration and Water Quality Grant Program establish the process and criteria that the Conservancy will use to administer the $50 million allocated by the bond for multi-benefit ecosystem restoration and water quality projects in […]

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Latest issue of San Francisco Estuary & Watershed Science looks at the status of salmon in the Central Valley in 2100 and modeling in the Delta

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In this issue: Forecasting the Status of Wild Salmon in the Central Valley in 2100, Three-Dimensional Modeling of Hydrodynamics and Salinity in the San Francisco Estuary, and Modeling Tidal Freshwater Marsh Sustainability in the Delta POLICY AND PROGRAM ANALYSIS Forecasting the Most Likely Status of Wild Salmon in the California Central Valley in 2100; Sierra E. Franks and Robert T. […]

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