A5071356291- Coastal wetland ecosystem dynamics
- Oceanographic and Atmospheric Processes
- Water Quality and Resources Studies
- Hydrology and Sediment Transport Processes
- Fish Ecology and Management Studies
- Coastal and Marine Dynamics
- Marine and fisheries research
- Hydrology and Watershed Management Studies
- Soil erosion and sediment transport
- Geology and Paleoclimatology Research
- Water-Energy-Food Nexus Studies
- Geological formations and processes
- Archaeology and Natural History
- Aeolian processes and effects
- Rangeland and Wildlife Management
- Tropical and Extratropical Cyclones Research
- Hydrological Forecasting Using AI
- Oil Spill Detection and Mitigation
- Physiological and biochemical adaptations
- Air Quality Monitoring and Forecasting
- Planetary Science and Exploration
- Ocean Waves and Remote Sensing
- Distributed and Parallel Computing Systems
University of New Orleans
2019-2024
The University of Texas at Austin
2016-2019
University of California, Berkeley
2011-2013
Background Accumulating evidence shows that the planet is warming as a response to human emissions of greenhouse gases. Strategies adaptation climate change will require quantitative projections how altered regional patterns temperature, precipitation and sea level could cascade provoke local impacts such modified water supplies, increasing risks coastal flooding, growing challenges sustainability native species. Methodology/Principal Findings We linked series models investigate responses...
Abstract The transition of flow between laterally confined channels and the unchannelized delta front controls morphodynamic evolution river deltas but has rarely been measured at field scale. We quantify patterns bathymetry that define subaqueous on Wax Lake Delta, a rapidly prograding in coastal Louisiana. A significant portion (∼59%) departs channel network over lateral margins as opposed to downstream tips. Bathymetric surveys remotely sensed estimates direction allow spatial changes...
Climate change is driving rapid changes in environmental conditions and affecting population species' persistence across spatial temporal scales. Integrating climate assessments into biological resource management, such as conserving endangered species, a substantial challenge, partly due to mismatch between global forecasts local or regional conservation planning. Here, we demonstrate how outputs of models can be downscaled the watershed scale, then coupled with ecophysiological metrics...
Changes in water temperatures caused by climate change California's Sacramento–San Joaquin Delta will affect the ecosystem through physiological rates of fishes and invertebrates. This study presents statistical models that can be used to forecast temperature within as a response atmospheric conditions. The daily average model performed well (R 2 values greater than 0.93 during verification periods) for all stations San Francisco Bay provided there was at least 1 year calibration data. To...
Abstract Coastal wetland systems are among the most dynamic landscapes on Earth's surface; however, interrelated processes create platforms that relatively constant in space and time. Theoretically, “stable” elevations should maintain themselves through time if balance of creating elevation remains unchanged. At Louisiana's prograding Wax Lake Delta, we measure landscape change between 2009 2013, quantifying volumetric changes to delta, subaerial slope adjustment, an equilibrium 0.56 m North...
Abstract Shallow coastal regions are among the fastest evolving landscapes but notoriously difficult to measure with high spatiotemporal resolution. Using Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR) data, we demonstrate that signal‐to‐noise L band synthetic aperture radar (SAR) can reveal subaqueous channel networks at distal ends of river deltas. 27 UAVSAR images collected between 2009 and 2015 from Wax Lake Delta in Louisiana, USA, show under normal tidal conditions,...
Abstract Coastal river deltas are complex and dynamic ecosystems where vegetation plays an essential role in influencing, as well being influenced by, physical processes, creating ecogeomorphic feedbacks between canopy characteristics topography. However, this feedback is poorly understood. This knowledge gap due to difficulties detecting quantifying the interactions that define feedback. Emerging technology data analysis techniques like transfer entropy have made it possible overcome former...
The validation of numerical models is an important component modeling to ensure reliability model outputs under prescribed conditions. In river deltas, robust paramount given that are used forecast land change and track water, solid, solute transport through the deltaic network. We propose using transfer entropy (TE) validate results. TE quantifies information transferred between variables in terms strength, timescale, direction. Using water level data collected distributary channels...
Climate projections and their effects have been evaluated in the San Francisco Estuary as part of U.S. Geological Survey’s CASCaDE2 project. Understanding ecological climate change can help manage maintain health productivity Estuary. In this study, we assessed downscaled air temperature data from 10 global models (GCMs) under two representative concentration pathway (RCP) trajectories for greenhouse gas concentrations three regions Estuary: Suisun Grizzly Bays, marsh, Sacramento-San Joaquin...
Abstract River deltas form complex branching patterns that distribute sediment to the coastal sea. The routing and storage of this in are poorly understood. We present results a 1‐month study water transport through two branches Wax Lake Delta on coast Louisiana. channels maintained near‐equal total partitioning flow discharge. East Pass was narrower had higher tidally averaged velocities, lower tidal velocity fluctuations, more flux, less alluvial bed cover than Main Pass. connected these...
Abstract The distribution of cross‐set thicknesses is important data for reconstructing ancient aeolian dune fields from the strata they accumulated, but most on Mars must be observed satellite. We hypothesize that remote sensing resolution limits will affect thickness measurements and dune‐field reconstructions follow. Here we test this hypothesis using a numerical experiment mimicking effects satellite image performed measured in field Jurassic Page Sandstone, Arizona, USA. set are...