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  • Estimated Inundation Periods in the Yolo Bypass, California, USA 1998 – 2021
  • Casby , Amanda; Creator; California Department of Water Resources
    Hudson, Haley; Creator; California Department of Water Resources
    Pien, Catarina; Data Contact; California Department of Water Resources
  • 2021-05-20
  • Casby, A., H. Hudson, and C. Pien. 2021. Estimated Inundation Periods in the Yolo Bypass, California, USA 1998 – 2021 ver 1. Environmental Data Initiative. https://doi.org/DOI_PLACE_HOLDER (Accessed 2024-12-29).

  • The Yolo Bypass is a floodplain of the Sacramento River that consists of different types of habitat types, including agricultural land, managed wetland, riparian, upland, and pond areas. While water flows through the floodplain year-round through the Toe Drain, the area of habitat is greatly increased during inundation, which occurs when the Fremont Weir and/or Sacramento Weir overtop with water from the Sacramento River. The Yolo Bypass drastically changes during this period with differences in water quality, flows, and species composition and abundance of fish and invertebrates (Sommer et al. 2001). Thus, having a metric for whether or not the Yolo Bypass is inundated is useful for analysis of the system and its organisms.

    Inundation is typically determined by the stage height of the Fremont Weir, which is upstream of the Yolo Bypass. When the Weir reaches a threshold stage height (32 feet), the Sacramento River begins to overflow into the Yolo Bypass, leading to inundation. The California Department of Water Resources (DWR) monitors stage height in the Sacramento River at the Fremont Weir, as well as at other locations. In this dataset, we have gathered stage height from the Fremont Weir, as well as other monitoring stations, and estimated inundation periods based on thresholds for each station, with the aim to consistently estimate inundation over time.

  • Geographic Coordinates
    • N: 38.759444, S: 38.759444, E: -121.666389, W: -121.666389
    • N: 38.588611, S: 38.588611, E: -121.505, W: -121.505
    • N: 38.474781, S: 38.474781, E: -121.588226, W: -121.588226
  • This information is released under the Creative Commons license - Attribution - CC BY (https://creativecommons.org/licenses/by/4.0/). The consumer of these data ("Data User" herein) is required to cite it appropriately in any publication that results from its use. The Data User should realize that these data may be actively used by others for ongoing research and that coordination may be necessary to prevent duplicate publication. The Data User is urged to contact the authors of these data if any questions about methodology or results occur. Where appropriate, the Data User is encouraged to consider collaboration or co-authorship with the authors. The Data User should realize that misinterpretation of data may occur if used out of context of the original study. While substantial efforts are made to ensure the accuracy of data and associated documentation, complete accuracy of data sets cannot be guaranteed. All data are made available "as is." The Data User should be aware, however, that data are updated periodically and it is the responsibility of the Data User to check for new versions of the data. The data authors and the repository where these data were obtained shall not be liable for damages resulting from any use or misinterpretation of the data. Thank you.
  • DOI PLACE HOLDER
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