This dataset, “siteSR: AquaMatch Landsat Collection 2 surface reflectance and surface temperature datasets for remote-sensing visible Water Quality Portal and National Water Information System sites in the United States and territories, 1983-2024”, is a component of an update to AquaSat (Ross et al., 2019): AquaSat version 2 (“v2”). The overarching purpose of AquaSat v2 is to emphasize the individual parts of the AquaSat pipeline that make up the matchups between satellite and in situ measurements. This data release focuses on the Landsat Collection 2 Surface Reflectance and Surface Tempearture record for remote-sensing visible sites (n = 395,307) from the Water Quality Portal, National Water Information System, AquaMatch harmonized chlorophyll a (Brousil, et al. 2024), Secchi disc depth (De La Torre, et al. 2025), dissolved organic carbon (Brousil, et al. 2025), and total suspended solids (Brousil, et al. 2025) data products in surface water from the Water Quality Portal. Landsat data were acquired using Google Earth Engine (Gorelick, 2017) in Python programming language and filtered to meet minimum quality thresholds in R programming language. Additional documentation for this data product can be found at https://aquasat.github.io/AquaMatch_lakeSR/.
Brousil, M.R., M.F. Meyer, K. Willi, B.G. Steele, J. De La Torre, and M.R. Ross. 2024. AquaMatch Chlorophyll a Data from Water Quality Portal: ~1970-2024 ver 2. Environmental Data Initiative. https://doi.org/10.6073/pasta/2f750544112e5408928dd9a61e6ace30
Brousil, M.R., M.F. Meyer, K. Willi, B.G. Steele, J.R. Gardner and M.R. Ross. 2025. AquaMatch Total Suspended Solids from Water Quality Portal ~1970-2025 ver 2. Environmental Data Initiative. https://doi.org/10.6073/PASTA/6CDE7F8613EF5E7E2BEF3A19160E02EA
Brousil, M.R., M.F. Meyer, K. Willi, B.G. Steele, and M.R. Ross. 2024. AquaMatch Dissolved Organic Carbon Data from Water Quality Portal: ~1970-2024 ver 1. Environmental Data Initiative. https://doi.org/10.6073/pasta/31d271897f074da990a4f25108ff2a40
De La Torre, J., B.G. Steele, M.R. Brousil, M.F. Meyer, K. Willi, and M.R. Ross. 2025. AquaMatch Secchi Disk Depth Data from Water Quality Portal: ~1970-2024 ver 1. Environmental Data Initiative. https://doi.org/10.6073/pasta/542a305e8484ae5abc33881bd7761308
Gorelick, N., Hancher, M., Dixon, M., Ilyushchenko, S., Thau, D., & Moore, R. (2017). Google Earth Engine: Planetary-scale geospatial analysis for everyone. Remote Sensing of Environment. https://doi.org/10.1016/j.rse.2017.06.031
Ross, M. R. V., Topp, S. N., Appling, A. P., Yang, X., Kuhn, C., Butman, D. et al. (2019). AquaSat: A data set to enable remote sensing of water quality for inland waters. Water Resources Research, 55, 10012–10025. https://doi.org/10.1029/2019WR024883