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Location Folder Show Tree ROOT _ScienceBase Catalog __National and Regional Climate Adaptation Science Centers ___Southwest CASC ____FY 2017 Projects Anticipating Future Impacts of Temperature on Streamflow in the Colorado River Basin Assessing Climate Impacts and Adaptation for Biodiversity and Natural Resources in San Diego County Assessing Stakeholder Needs for Effective Actionable Science Climate Extremes and Ecological Impacts to California Estuaries Evaluating Current Projects to Inform Future Development of Actionable Science in the Southwest More... Filters Date Range Past year (2) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions Citation (3) Types Citation (3) Map Service (1) OGC WFS Layer (1) OGC WMS Layer (1) OGC WMS Service (1) Contacts Kevin J Buffington Christopher N Janousek Southwest CASC Bruce Dugger Eric Stein More... Categories Publication (3) Tag Types Theme (1) Place (1) USGS Scientific Topic Keyword (1) Harvest Set (1) Tag Schemes Common geographic areas (1) Coastal and Marine Ecological Classification Standard (1) Marine Realms Information Bank (MRIB) keywords (1) USGS Thesaurus (1) ISO 19115 Topic Category (1) View Results as: JSON ATOM CSV Browse Folder

Multi-Decadal Simulation of Marsh Topography Under Sea Level Rise and Episodic Sediment Loads Abstract Coastal marsh within Mediterranean climate zones is exposed to episodic watershed runoff and sediment loads that occur during storm events. Simulating future marsh accretion under sea level rise calls for attention to: (a) physical processes acting over the time scale of storm events and (b) biophysical processes acting over time scales longer than storm events. Using the upper Newport Bay in Southern California as a case study, we examine the influence of event-scale processes on simulated change in marsh topography by comparing: (a) a biophysical model that integrates with an annual time step and neglects event-scale processes (BP-Annual), (b) a physical model that resolves event-scale processes but... Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service WARMER-2 Model Inputs and Projections for Three Tidal Wetland Sites Across San Francisco Bay Estuary Understanding the rates and patterns of tidal wetland elevation changes relative to sea-level is essential for understanding the extent of potential wetland loss over the coming years. Using an enhanced and more flexible modeling framework of an ecosystem model (WARMER-2), we explored sea-level rise (SLR) impacts on wetland elevations and carbon sequestration rates through 2100 by considering plant community transitions, salinity effects on productivity, and changes in sediment availability. We incorporated local experimental results for plant productivity relative to inundation and salinity into a species transition model, as well as site-level estimates of organic matter decomposition. The revised modeling framework... Tags: Botany, Brackish Marsh, Browns Island, Emergent Tidal Marsh, Emergent Wetland, All tags... Environmental Health, Petaluma marsh, Remote Sensing, Rush Ranch, San Francisco Bay Estuary, USGS Science Data Catalog (SDC), biota, climate change, digital elevation model, lidar, numerical modeling, sea-level change, wetland, Fewer tags Final Report: Climate extremes and ecological impacts to California estuaries Categories: Publication; Types: Citation Salinity and inundation effects on growth of brackish tidal marsh plants from the San Francisco Bay-Delta estuary, 2016 In this data release we provide above- and below-ground plant biomass, shoot count, shoot height, and fecundity data for field and greenhouse experiments conducted in northern California in 2016 to assess tidal marsh plant responses to gradients of inundation and salinity. This dataset accompanies the publication Janousek et al. 2020, “Salinity and inundation effects on productivity of brackish tidal marsh plants in the San Francisco Bay-Delta Estuary” in the journal Hydrobiologia. Incorporation of uncertainty to improve projections of tidal wetland elevation and carbon accumulation with sea-level rise Understanding the rates and patterns of tidal wetland elevation changes relative to sea-level is essential for understanding the extent of potential wetland loss over the coming years. Using an enhanced and more flexible modeling framework of an ecosystem model (WARMER-2), we explored sea-level rise (SLR) impacts on wetland elevations and carbon sequestration rates through 2100 by considering plant community transitions, salinity effects on productivity, and changes in sediment availability. We incorporated local experimental results for plant productivity relative to inundation and salinity into a species transition model, as well as site-level estimates of organic matter decomposition. The revised modeling framework... Categories: Publication; Types: Citation