Hybrid predictive modeling approach simulated evapotranspiration and ecosystem respiration data

Creators: Jiancong Chen, Baptiste Dafflon ORCID, Anh Tran, Nicola Falco ORCID, Susan Hubbard

Year: 2020

License: CC-BY 4.0

Location: The East River (ER) is a snow‐dominated, headwater basin of the Upper Colorado River Basin (UCRB) located in the western United States. The ER is the designated testbed of Lawrence Berkeley National Laboratory's Watershed Function Scientific Focus Area (WFSFA). Through WFSFA, observational networks have been established to measure stream discharge and precipitation chemistry.The ER is considered representative of many snow‐dominated headwaters of the Rocky Mountains. The study domain encompasses nearly 85 square km, a 1.4‐km vertical drop in elevation (4,120 to 2,760 m) and pristine alpine, subalpine, montane, and riparian ecosystems. The ER contains high‐energy mountain streams to low‐energy meandering floodplains and is eroding primarily into the Cretaceous, carbon‐rich, marine shale of the Mancos Formation.

Temporal extent: 1995-01-01 to 2016-12-31

Bounding box: 38.880°N to 39.034°N, -107.050°W to -106.880°W

Publisher: ESS_DIVE

Tags: evapotranspiration, ecosystem respiration, NDVI, climate forcing, CATEGORICAL:NONE Meteorology, Carbon Fluxes, Snow Telemetry (SNOTEL), Normalized difference vegetation index (NDVI), Alpine & Subalpine Ecology, Forest Ecology, Plant Biology, Genetics & Evolution, Hydrology & Watersheds, Snow & Ice, Groundwater, Geology & Tectonics, Weather & Atmospheric Science, Remote Sensing & Imagery, Gunnison Basin, Research Programs

Description

This dataset includes measured data used for developing hybrid-predictive-modeling (HPM) approach and simulated evapotranspiration and ecosystem respiration data across several Fluxnet sites, Snow Telemetry (SNOTEL) sites and East River Watershed in Colorado locations. Fluxnet sites considered in this study include: Saskatchewan-Aspen (CA-OAS), Saskatchewan-Black Spruce (CA-OBS), Niwot Ridge (US-NR1), Tonzi Ranch (US-TON), Vaira Ranch-lone (US-VAR), Santa Rita Mesquite (US-SRM), Walnut Gulch Lucky Hills Shrub (US-WHS), and Walnut Gulch Kendall Grasslands (US-WKG). Snotel sites include: Butte (ER-BT), Porphyry Creek (ER-PK) and Schofield Pass (ER-SP). The 16 East River Watershed locations with different vegetation types are denoted by: evergreen forests (EF), deciduous forests (DF), riparian shrublands (RS) and meadow grassland (MS). This data package includes: 1) A summary spread sheet of the sites and acronyms for data variables. 2) Processed Fluxnet datasets that are obtained from Fluxnet.fluxdata.org with HPM estimated evapotranspiration (ET) and ecosystem respiration (RECO) and the trained parameter metrics and models for Fluxnet sites; 3) Processed SNOTEL datasets obtained from www.nrcs.usda.gov/snow/ and HPM estimated ET and RECO; 4) Weather data at east river locations obtained from DAYMET (daymet.ornl.gov) as well as HPM estimated ET and RECO. Normalized difference vegetation index (NDVI) datasets are obtained from Landsat 5, 7 and 8 on Google Earth Engine platform. Detailed QA/QC and sampling methods of measured data are available at the original data source.

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