Alma Anides Morales 20250108 vector digital data https://doi.org/10.5066/P13HBAPS Alma Anides Morales Laura M. Norman 20241220 publication This data release contains Soil Water Assessment Tool (SWAT) outputs (.shp) for three precipitation scenarios for the Los Planes watershed in Baja California Sur, Mexico. The inputs used are publicly available low-resolution data from international sources to produce uncalibrated baseline model conditions. The outputs for each scenario include annual average surface runoff (mm), sediment yield (t/ha), percolation (mm), and evapotranspiration (mm) for planes and channels within the study area. The dataset presented are the results of an initial working model of the Soil Water and Assessment tool for the Los Planes watershed to establish a baseline response at a watershed scale of different precipitation scenarios. Future SWAT model iterations will update inputs to include recently developed spatial products and climate data, all of which are deliverables of the larger "Research in the Los Planes Watershed – Water Cycle Augmentation, U.S. Geological Survey” project. Accompanying cooperators report can be found at XXXXX (link TBD) 20010101 20011231 ground condition Complete None planned -110.1308 -109.8455 24.1179 23.6626 None hydrologic modeling SWAT soils land use digital elevation models climate scenario USGS Thesaurus digital elevation models USGS Metadata Identifier USGS:677d8321d34e009b4336590d None Los Planes Watershed Baja California Sur Mexico None. Please see 'Distribution Info' for details. None. Users are advised to read the dataset's metadata thoroughly to understand appropriate use and data limitations. Alma Anides Morales U.S. Geological Survey Physical Scientist mailing and physical

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Tucson AZ 85719 United States 8582317710 aanidesmorales@usgs.gov Windows 11 was used as the computer operating system to run Esri ArcMap 10.7.1 software and the Spatial Analysis license required to run the AGWA 3.x tool. The output file name is "DataRelease_Baseline_Assessment_Results" (2.38 MB). Alma Anides Morales Laura M. Norman 20241220 publication This is an un calibrated model, thus results are to assess relative differences of various climate scenarios. No accuracy assessment was performed. The data presented is part of the results described in the associated cooperators report which underwent two peer review revisions. Additionally, this dataset will also undergo peer review. The data presented are the SWAT2005 model results specifically for the Los Planes watershed in Baja California Sur, Mexico using certain inputs for precipitation, land use/land cover, soils, topography and climate data. none none National Aeronautics and Space Administration (NASA) 20150902 V003 raster digital data https://doi.org/10.5066/F7PR7TFT Digital and/or Hardcopy 20000211 20000221 publication date NASA SRTM DEM 1 arc second Used for delineation and parameterization of the watershed Commission for Environmental Cooperation 20200204 2.0 raster digital data http://www.cec.org/north-american-environmental-atlas/land-cover-30m-2015-landsat-and-rapideye/ Digital and/or Hardcopy 20150101 20171231 publication date 2015 NALCMS North America Land Cover Map Land cover data was used to derive hydrologic parameters and look-up tables in the watershed parameterization Food and Agriculture Organization of the United Nations (FAO/UNESCO) 20030101 3.6 vector digital data https://www.fao.org/soils-portal/soil-survey/soil-maps-and-databases/faounesco-soil-map-of-the-world/en/ 5000000 Digital and/or Hardcopy 20030101 publication date UN FAO Digital Soil Map of the World Soils data was used to derive hydrologic parameters and look-up tables in the watershed parameterization Comision Nacional del Agua (CONAGUA) 20230101 spreadsheet https://sih.conagua.gob.mx/climas.html Digital and/or Hardcopy 20010101 20010131 ground condition 2001 Precipitation Data CONAGUA Los Robles Used to develop precipitation scenarios Comision Nacional del Agua (CONAGUA) 20231022 publication https://www.gob.mx/conagua/prensa/el-centro-de-la-tormenta-tropical-norma-se-localiza-en-aguas-del-golfo-de-california-con-rumbo-hacia-el-norte-de-sinaloa?idiom=es Digital and/or Hardcopy 20231022 publication date CONAGUA Tropical Storm Norma 2023-10-22 press release Used to develop precipitation scenarios Comision Nacional del Agua (CONAGUA) 20231101 publication https://smn.conagua.gob.mx/es/ciclones-tropicales/lluvias-asociadas-a-ciclones-tropicales Digital and/or Hardcopy 20231020 20231022 publication date CONAGUA Precipitation Accumulation Map Tropical Storm Norma Used to develop precipitation scenarios Using the Soil Water and Assessment Tool (SWAT2005) model implemented via the Automated Geospatial Watershed Assessment (AGWA) interface, the National Aeronautics and Space Administration (NASA)’s Shuttle Radar Topography Mission (SRTM) 1 arc-second (~30 m) Digital Elevation Model (DEM) for the Los Planes watershed was used to create flow direction, flow accumulation, and stream grids that assisted in the delineation of the area of interest into four subwatersheds. NASA SRTM DEM 1 arc second 20231004 The resulting four subwatersheds were discretized into 133 planes and 88 channels. NASA SRTM DEM 1 arc second 20231011 The National Aeronautics and Space Administration (NASA)’s Shuttle Radar Topography Mission (SRTM) 1 arc-second (~30 m) Digital Elevation Model (DEM), the 2015 North American Land Change Monitoring System (NALCMS) 30-meter dataset, and the United Nations-Food and Agriculture Organization (FAO) Digital Soil Map of the World were used to create parameterization look-up tables that were joined with the planes and channels feature classes. NASA SRTM DEM 1 arc second 2015 NALCMS North America Land Cover Map UN FAO Digital Soil Map of the World 20231205 Three uniform precipitation scenarios were developed using precipitation data from the Comision Nacional del Agua (CONAGUA). The first scenario used 2001 CONAGUA Los Robles weather station daily precipitation data. A second scenario used the same data and increased it by 300%. A third scenario was developed using the 2001 CONAGUA Los Robles daily precipitation data and replaced the daily precipitation values for October 20 (25mm), October 21 (300mm), October 22 (75mm), to represent the 3-day tropical storm Norma (2023) using estimated values based on press releases and maps published by CONAGUA. The weather generator file containing the required statistics for a number of parameters that SWAT uses was obtained from the AGWA 3.X training package for the Sasabe, Arizona weather station (weataz22). 2001 Precipitation Data CONAGUA Los Robles CONAGUA Tropical Storm Norma 2023-10-22 press release CONAGUA Precipitation Accumulation Map Tropical Storm Norma 20240109 AGWA-SWAT2005 model was executed for the three precipitation scenarios (A, B, C) and outputs were visualized in ArcMap. 20240111 Scenario A channels Scenario A planes Scenario B channels Scenario B planes Scenario C channels Scenario C planes Vector G-polygon 133 Universal Transverse Mercator 12 0.9996 -111.0 0.0 500000.0 0.0 coordinate pair 0.6096 0.6096 meters North_American_Datum_1983 GRS 1980 6378137.0 298.257222101 ScenarioA_channels.shp Attribute Table Table containing attribute information associated with the data set. Producer Defined FID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Feature geometry. ESRI Shape type. OBJECTID_1 channel identifier Producer Defined 1 88 Shape_Leng length of the channel element (m) Producer Defined 44.5349999997 20826.9103229 meters FlowAcc accumulated flow for that channel Producer Defined 0 849862 Sequence integer values indicating channel sequence Producer Defined 1 25 NumYrsSim number of years simulated Producer Defined 0 1 year WatYld_mm estimated water yield (mm) Producer Defined 0.0 3.15074344858 mm Q_cmd channel runoff (m3/day) Producer Defined 0.0 647.568002343 m3/day Tloss_m3_s estimated transmission loss (m3/s) Producer Defined 0.0 0.00781899970025 m3/s SedYld_mtn sediment yield (metric ton) Producer Defined 0.0 0.0 metric ton ScenarioA_planes.shp Attribute Table Table containing attribute information associated with the data set. Producer Defined FID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Feature geometry. ESRI Shape type. OBJECTID_1 plane identifier Producer Defined 1 133 NumYrsSim number of years simulated Producer Defined 1.0 1.0 year Precip_mm total precipitation for the subwatersehd for the given time period (mm) Producer Defined 322.600006104 322.600006104 mm ET_mm estimated evapotranspiraton (mm) Producer Defined 235.45199585 247.330001831 mm Perc_mm estimated percolation for the subwatershed (mm) Producer Defined 22.6660003662 57.7960014343 mm SurQ_mm estimated surface runoff for the subwatershed (mm) Producer Defined 0.0 4.25500011444 mm Tloss_mm estimated transmission loss for the subwatershed (mm) Producer Defined 0.0 4.25400018692 mm WatYld_mm estimated water yield Producer Defined 0.0619999989867 3.10500001907 mm SedYld_t_h estimated sediment yield (t/ha) Producer Defined 0.0 0.0 t/ha SedYld_mm estimated sediment yield (mm) Producer Defined 0.0 0.0 mm Tot_Loss estimated transmission loss for the subwatershed Producer Defined 0.0 0.0 mm Shape_Le_1 the length of the plane element, parallel to the channel Producer Defined 534.416000001 82181.526 m Shape_Area the area of the hillslope element (m2) Producer Defined 7933.43520994 78086583.6838 m2 ScenarioB_channels.shp Attribute Table Table containing attribute information associated with the data set. Producer Defined FID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Feature geometry. ESRI Shape type. OBJECTID_1 channel identifier Producer Defined 1 88 Shape_Leng length of the channel element (m) Producer Defined 44.5349999997 20826.9103229 m FlowAcc accumulated flow for that channel Producer Defined 0 849862 Sequence integer values indicating channel sequence Producer Defined 1 25 NumYrsSim number of years simulated Producer Defined 0 1 year WatYld_mm estimated water yield (mm) Producer Defined 0.0 1069.76743535 mm Q_cmd channel runoff (m3/.day) Producer Defined 0.0 1082591.97693 m3/day Tloss_m3_s estimated transmission loss (m3/s) Producer Defined 0.0 3.87800002098 m3/s SedYld_mtn sediment yield (metric ton) Producer Defined 0.0 1251.0 metric ton ScenarioB_planes.shp Attribute Table Table containing attribute information associated with the data set. Producer Defined FID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Feature geometry. ESRI Shape type. OBJECTID_1 plane identifier Producer Defined 1 133 NumYrsSim number of years simulated Producer Defined 1.0 1.0 year Precip_mm total precipitation for the subwatersehd for the given time period (mm) Producer Defined 1285.30004883 1285.30004883 mm ET_mm estimated evapotranspiraton (mm) Producer Defined 397.628997803 419.151000977 Perc_mm estimated percolation for the subwatershed (mm) Producer Defined 489.186004639 801.328979492 mm SurQ_mm estimated surface runoff for the subwatershed (mm) Producer Defined 21.0569992065 296.287994385 mm Tloss_mm estimated transmission loss for the subwatershed (mm) Producer Defined 20.0799999237 296.286987305 mm WatYld_mm estimated water yield Producer Defined 491.792999268 543.247009277 mm SedYld_t_h estimated sediment yield (t/ha) Producer Defined 0.0 0.259999990463 t/ha SedYld_mm estimated sediment yield (mm) Producer Defined 0.0 6.95723717505 mm Tot_Loss estimated transmission loss for the subwatershed Producer Defined 0.0 0.0 mm Shape_Le_1 the length of the plane element, parallel to the channel Producer Defined 534.416000001 82181.526 m Shape_Area the area of the hillslope element (m2) Producer Defined 7933.43520994 78086583.6838 m2 ScenarioC_channels.shp Attribute Table Table containing attribute information associated with the data set. Producer Defined FID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Feature geometry. ESRI Shape type. OBJECTID_1 channel identifier Producer Defined 1 88 Shape_Leng length of the channel element (m) Producer Defined 44.5349999997 20826.9103229 m FlowAcc accumulated flow for that channel Producer Defined 0 849862 Sequence integer values indicating channel sequence Producer Defined 1 25 NumYrsSim number of years simulated Producer Defined 0 1 year WatYld_mm estimated water yield (mm) Producer Defined 0.0 337.783711026 mm Q_cmd channel runoff (m3/day) Producer Defined 0.0 443232.009888 m3/day Tloss_m3_s estimated transmission loss (m3/s) Producer Defined 0.0 1.13399994373 m3/s SedYld_mtn sediment yield (metric ton) Producer Defined 0.0 11130.0 metric ton ScenarioC_planes.shp Attribute Table Table containing attribute information associated with the data set. Producer Defined FID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Feature geometry. ESRI Shape type. OBJECTID_1 plane identifier Producer Defined 1 133 NumYrsSim number of years simulated Producer Defined 1.0 1.0 year Precip_mm total precipitation for the subwatersehd for the given time period (mm) Producer Defined 720.900024414 720.900024414 mm ET_mm estimated evapotranspiraton (mm) Producer Defined 239.128005981 252.264007568 Perc_mm estimated percolation for the subwatershed (mm) Producer Defined 68.6999969482 216.307006836 mm SurQ_mm estimated surface runoff for the subwatershed (mm) Producer Defined 229.317001343 348.54699707 mm Tloss_mm estimated transmission loss for the subwatershed (mm) Producer Defined 20.8840007782 272.557006836 mm WatYld_mm estimated water yield Producer Defined 136.490997314 276.92098999 mm SedYld_t_h estimated sediment yield (t/ha) Producer Defined 0.0 68.0609970093 t/ha SedYld_mm estimated sediment yield (mm) Producer Defined 0.0 142048.635546 mm Tot_Loss estimated transmission loss for the subwatershed Producer Defined 0.0 0.0 mm Shape_Le_1 the length of the plane element, parallel to the channel Producer Defined 534.416000001 82181.526 m Shape_Area the area of the hillslope element (m2) Producer Defined 7933.43520994 78086583.6838 m2 SWAT outputs for planes (.shp) and channels (.shp) for each of the three precipitation scenarios modeled. Anides Morales, A., 2025, SWAT Outputs for Baseline Soil and Water Assessment for Los Planes Watershed, Baja California Sur, Mexico: U.S. Geological Survey data release, https://doi.org/10.5066/P13HBAPS U.S. Geological Survey - ScienceBase mailing address

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Denver CO 80225 United States 1-888-275-8747 sciencebase@usgs.gov Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems, nor shall the act of distribution constitute any such warranty. Digital Data https://doi.org/10.5066/P13HBAPS None 20250108 Alma Anides Morales U.S. Geological Survey Physical Scientist mailing and physical

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Tucson AZ 85719 United States 8582317710 aanidesmorales@usgs.gov FGDC Content Standard for Digital Geospatial Metadata FGDC-STD-001-1998