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Deprecated[72863] Caribbean-Florida Water Science Center

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In 2015, the total amount of water withdrawn for recreational-landscape irrigation uses in Florida was estimated at 398 million gallons per day (Mgal/d). Withdrawals include water used for golf course and public and commercial landscape irrigation (parks, ball fields, highway medians, cemeteries, and other large-scale grass or landscaping areas) that have a consumptive water use permit from the local water management district specifically for golf course or landscape uses. This category does not include individual household lawn irrigation withdrawals. Fresh surface water accounted for 216 Mgal/d of the fresh water withdrawn while 182 Mgal/d was withdrawn from fresh groundwater sources. Palm Beach County accounted...
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In 2015, the total amount of water withdrawn for public supply in Florida was estimated at 2,385 million gallons per day (Mgal/d). Water withdrawals include 2,215 Mgal/d of fresh water and 170 Mgal/d of saline water. Fresh groundwater accounted for 1,909 Mgal/d of the water withdrawn and 169 Mgal/d of the saline groundwater withdrawn for public supply. Miami-Dade County accounted for the largest amount of fresh groundwater withdrawn (339 Mgal/d), Hillsborough County accounted for the largest amount of fresh surface water withdrawn (135 Mgal/d) and all of the saline surface water withdrawn (1 Mgal/d), and Lee County accounted for the largest amount of saline groundwater withdrawn (28 Mgal/d). All of the saline water...
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File AET2RET_Ratios.csv lists the AET to RET (actual to reference evapotranspiration) ratios, or AET/RET, used to calculate actual evapotranspiration for each land cover type. The daily measured AET data collected at the ET stations were used to calculate the monthly totals for each month of the year. These monthly AET totals were then used to calculate the average AET/RET monthly ratios for the land cover of the ET station by dividing the AET rates by the RET rates obtained from the Florida ET network (http://fl.water.usgs.gov/et/; USGS, 2016). The land cover types represented in these data are forest, grass, marsh, open water, ridge, urban, and agriculture. The AET/RET ratios for these land cover types were presented...
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The actual evapotranspiration (AET) annual rates provided in shapefiles AET_SJR_Basin_Cells are for 2 km by 2 km cells in basins in east-central and northeast Florida. The AET rates are presented in the shapefiles for two methods: the Simplified Surface Energy Balance operational (SSEBop) method and for the land-cover type (LC) method. The period of record is 2000 to 2016 for the LC-based method and from 2000 to 2017 for the SSEBop-based method. The SSEBop AET rates are based on a work by Senay and others (2013). The LC-based AET rates were calculated from the AET/RET ratios listed in file AET2RET_Ratios.csv and the annual reference ET rates from 2000 to 2016. A third method used to calculate annual average AET...
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In 2016, the total amount of public-supply water withdrawn in Puerto Rico was estimated at 551 million gallons per day (Mgal/d) from fresh water sources. Surface water accounted for 492 Mgal/d (89 percent) and groundwater accounted for 59 Mgal/d (11 percent). Population served by public-supply water systems accounted for 3.4 million people, almost 100 percent of the total population. Total domestic water use was estimated at 396 Mgal/d and it is represented as the summation of deliveries from public-supply water systems to domestic users and self-supplied domestic withdrawals. The average per capita domestic water use, which represents the daily water use for the population that is supplied by public-supply water...
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