20220110 13523000 1.0 FGDC CSDGM Metadata FALSE 20211228 09463100 625000 5000 FGDC TRUE i15_LandUse_Mendocino2010_Southwest.mxd 005 file://\\cnrastore-gis\egispr\GisServiceData\parcgis_arcgiswmas\Atlas\Public\planning\i15_LandUse_DWR\i15_LandUse_Mendocino2010_Southwest (1).mxd Local Area Network 20211228 09463100 i15_LandUse_Mendocino2010_Southwest <DIV STYLE="text-align:Left;"><DIV><P><SPAN>The 2010 Mendocino County, southwestern portion, land use survey data was developed by the State of California, Department of Water Resources (DWR) through its Division of Integrated Regional Water Management (DIRWM) and Division of Statewide Integrated Water Management (DSIWM). Land use boundaries were digitized and land use data were gathered by staff of DWR’s North Central Region Office using extensive field visits and aerial photography. Land use polygons in agricultural areas were mapped in greater detail than areas of urban or native vegetation. Quality control procedures were performed jointly by staff at DWR’s DSIWM headquarters, under the leadership of Jean Woods, and North Central Region, under the supervision of Kim Rosmaier. This data was developed to monitor land use for the primary purpose of quantifying water use within this study area and determining changes in water use associated with land use changes over time. The associated data are considered DWR enterprise GIS data, which meet all appropriate requirements of the DWR Spatial Data Standards, specifically the DWR Spatial Data Standards version 2.1, dated March 9, 2016. DWR makes no warranties or guarantees - either expressed or implied - as to the completeness, accuracy, or correctness of the data. DWR neither accepts nor assumes liability arising from or for any incorrect, incomplete, or misleading subject data. Comments, problems, improvements, updates, or suggestions should be forwarded to gis@water.ca.gov. This data represents a land use survey of the southern and western portions of Mendocino County. The northern boundary of the survey area coincides with the northern boundaries of the following three Detailed Analysis Units(DAUs): Big-Noyo-Ten Mile, Forsythe and Coyote-Russian River. DAUs are the smallest study area, within a Hydrologic Region, for the analysis of water supply and use (California Water Plan Update 2013). The survey was conducted by the California Department of Water Resources, North Central Region Office staff. Land use field boundaries were digitized with ArcGIS 9.3 using 2009 U.S.D.A National Agriculture Imagery Program (NAIP) one-meter imagery as the base. Agricultural fields were delineated by following actual field boundaries instead of using the centerlines of roads to represent the field borders. Field boundaries were reviewed using 2010 NAIP and Landsat 5 imagery. Field boundaries were not drawn to represent legal parcel (ownership) boundaries, and are not meant to be used as parcel boundaries. The field work for this survey was conducted between the end of July and the beginning of October 2010. Images, land use boundaries and ESRI ArcMap software were loaded onto laptop computers that were used as the field data collection tools. Staff took these laptops into the field and virtually all agricultural fields were visited to identify the land use. Global positioning system (GPS) units connected to the laptops were used to confirm the surveyor's location with respect to the fields. Land use codes were digitized in the field using a customized data entry program developed by DWR to work with ArcMap software. ArcGIS geoprocessing tools and topology rules were used to locate errors for quality control. The primary focus of this land use survey is mapping agricultural fields. Urban residences and other urban areas were delineated using aerial photo interpretation of 2009 and 2010 NAIP imagery. Some urban areas may have been missed, especially in forested areas. Rural residential land use was delineated by drawing polygons to surround houses and other buildings along with some of the surrounding land. These footprint areas do not represent the entire footprint of urban land. Sources of irrigation water were identified for general areas and occasionally supplemented by information obtained from landowners. Water source information was not collected for each field in the survey, so the water source listed for a specific agricultural field may not be accurate. Before final processing, standard quality control procedures were performed jointly by staff at DWR’s North Central Region, and at DSIWM headquarters under the leadership of Jean Woods. Senior Land and Water Use Supervisor. After quality control procedures were completed, the data was finalized. The positional accuracy of the digital line work, which is based upon the orthorectified NAIP imagery, is approximately 6 meters. The land use attribute accuracy for agricultural fields is high, because almost every delineated field was visited by a surveyor. The accuracy is 95 percent because some errors may have occurred. Possible sources of attribute errors are: a) Human error in the identification of crop types, b) Data entry errors.</SPAN></P></DIV></DIV> Agriculture Native vegetation Land use Aerial photography Landsat Irrigation Survey Vineyard Orthoimagery Crop boundaries Digital imagery Residential Satellite imagery California Raster Land cover Cadastral Survey year 2010 Global Positioning System (GPS) Multispectral analysis Imagery farming Urban southwest Mendocino County Vector Image classification NDVI Ground truth Orthorectification The 2010 Mendocino County, southwestern portion, land use survey data was developed by the State of California, Department of Water Resources (DWR). Department of Water Resources, Division of Integrated Regional Water Management, North Central Region Office, Land and Water Use and Conservation Section. Contact: gis@water.ca.gov. <DIV STYLE="text-align:Left;"><DIV><P><SPAN>The attached information was developed by the State of California, Department of Water Resources, for uses beneficial to the State. The information is available upon request to interested members of the public. While the Department believes the information to be reliable and made efforts to assure its reliability at the time the information was compiled, the information is provided "as is". The Department is not responsible for the accuracy, completeness, quality or legal sufficiency of the information. Any expressed or implied warranties, including, but not limited to, the implied warranties of merchantability and fitness for purpose ARE SPECIFICALLY DISCLAIMED. Neither the Department nor the State of California shall be held liable for any direct, indirect, incidental, special, exemplary or consequential damages (including, but not limited to: procurement of substitute goods or services; loss of use, data or profits; or business interruption), however caused and on any theory of liability, whether in contract, strict liability or tort, arising in any way out of the use of this information. This disclaimer applies to use of the information alone and to its aggregate use with other information, data or programs. The State of California and the Department of Water Resources hereby specifically retain any intellectual property interest, including copyright that they may hold in the information provided, whether the information is in the form of data, files, text images, photography or maps. The Department requests that persons receiving and using this information not make it available to others for their re-use. Instead, interested third parties should be encouraged to contact the Department for copies, in order to ensure that the information is obtained from the source that developed it, that can provide the greatest degree of reliability. Please acknowledge the California Department of Water Resources as a source when DWR's data are used in the preparation of reports, publications, maps and other products.</SPAN></P></DIV></DIV> Version 6.2 (Build 9200) ; Esri ArcGIS 10.8.1.14362 /9j/4AAQSkZJRgABAQEAAQABAAD/2wBDAAgGBgcGBQgHBwcJCQgKDBQNDAsLDBkSEw8UHRofHh0a HBwgJC4nICIsIxwcKDcpLDAxNDQ0Hyc5PTgyPC4zNDL/2wBDAQkJCQwLDBgNDRgyIRwhMjIyMjIy MjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjL/wAARCADIASwDASIA AhEBAxEB/8QAHwAAAQUBAQEBAQEAAAAAAAAAAAECAwQFBgcICQoL/8QAtRAAAgEDAwIEAwUFBAQA AAF9AQIDAAQRBRIhMUEGE1FhByJxFDKBkaEII0KxwRVS0fAkM2JyggkKFhcYGRolJicoKSo0NTY3 ODk6Q0RFRkdISUpTVFVWV1hZWmNkZWZnaGlqc3R1dnd4eXqDhIWGh4iJipKTlJWWl5iZmqKjpKWm p6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uHi4+Tl5ufo6erx8vP09fb3+Pn6/8QAHwEA AwEBAQEBAQEBAQAAAAAAAAECAwQFBgcICQoL/8QAtREAAgECBAQDBAcFBAQAAQJ3AAECAxEEBSEx BhJBUQdhcRMiMoEIFEKRobHBCSMzUvAVYnLRChYkNOEl8RcYGRomJygpKjU2Nzg5OkNERUZHSElK 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