Water Related Land Use (2000 to 2005)

Water Related Land Use (2000 to 2005) consists entirely of data generated from the "New Digital Method" and there are only some basins with irrigation type and labels recorded in the attributes. This layer was combined from multiple basin layers to create the earliest state wide layer comprised entirely of the "New Digital Method". When using multiple layers from these combined year state wide layers, please take care to verify that you do not duplicate data in certain basins due to how these layers have been generated. The water-related land use program is an effort by the Utah Division of Water Resources to quantify the acreages in the state of various land use types, especially those which are irrigated. Prior to 2017, land use was completed for a single basin each year. The present method is able to utilize historical line-work, attributes, and remotely sensed data to estimate acreage changes for the entire state in a single year.2000至2005年的涉水土地利用（Water Related Land Use）数据集全部采用‘新型数字化方法（New Digital Method）’生成，其属性字段仅记录了部分带有灌溉类型与分类标签的流域。该图层由多个流域图层合并构建而成，是首个完全依托该方法生成的全州范围地理空间图层。若使用此类合并生成的年度全州范围图层中的多个图层时，需仔细校验以避免因图层生成机制导致部分流域出现数据重复。涉水土地利用项目由犹他州水资源部（Utah Division of Water Resources）牵头实施，旨在量化犹他州各类土地利用类型的面积，尤其是灌溉用地的面积规模。2017年以前，该项目每年仅完成单个流域的土地利用调查工作。现行方法可借助历史线划数据、属性数据与遥感数据（remotely sensed data），在单一年度内完成全州范围的土地利用面积变化估算。