ORWA26_750UTM: Oregon/Washington 750 meter, 1926 Bathymetry Grid;UTM Projection

ORWA26_750UTM is a digital bathymetric surface grid of the seafloor offthe coast of Washington and Oregon. Grid cell spacing is 500m and theprojection is UTM Zone 10.The surface was produced by gridding National Ocean Service (NOS)Hydrographic Surveys collected between 1926 and 1974 (primarily1926 to 1930). This work includes the most recent bathymetric dataavailable on a regional scale over the inner to outer continental shelfoff the coast of Washington and Oregon. The results represent thebest available estimate of the seafloor morphology for the time periodcirca 1926.ORWA26_750UTM是华盛顿州与俄勒冈州沿岸海域的数字水深表面栅格数据集。其栅格单元间距为500米，投影采用通用横轴墨卡托投影10带（UTM Zone 10）。该数据集通过对1926年至1974年间（主要为1926年至1930年）收集的美国国家海洋服务局（National Ocean Service, NOS）水文测量数据进行网格化处理生成，涵盖了华盛顿州与俄勒冈州沿岸从近岸陆架至外陆架的区域尺度范围内，当前可获取的最优区域尺度水深数据。该结果代表了约1926年前后该区域海底地貌的最佳可用估算值。