North Central Coast: Aerial surveys and classification of Arched Rock Kelp Forests, 2010

This kelp classification dataset was developed for the Sea Grant MPA Baseline Program as part of the project “High Resolution Nearshore Substrate Mapping and Persistence with Multispectral Aerial Imagery” (#R/MPA17 09-015). The study region is the California North Central Coast (NCC). The Adobe Acrobat (.PDF) browse style image is a reduced-resolution snapshot of the dataset. This particular file shows coverage is of the Arched Rock USGS orthoquad region. Ocean Imaging acquired the imagery used for this analysis using the Digital Multispectral Camera (DMSC). Fugro EarthData acquired the imagery used for this project between 09/22/2010 – 09/23/2010 and delivered fully georeferenced and orthorectified, 12-bit imagery with a spatial resolution of 0.30 meters to OI in 2011. Details on these systems and the data processing are below in the Lineage section of this document. Individual DMSC and ADS40 image tiles were mosaicked into sections based on the USGS orthoquads for the California North Central Coast in order to generate the image products required to generate this merged kelp habitat classification covering the California North Central Coast’s kelp beds from Pigeon Point up to Point Arena. Additional information on the classification procedures used are outlined in the Methods and Sampling section of this document. This dataset was originally uploaded to Oceanspaces (http://oceanspaces.org/) in 2013 as part of the North Central Coast baseline monitoring program. In 2022 this dataset was uploaded to the California Ocean Protection Council Data Repository by Mike Esgro ([e-mail]) and Rani Gaddam ([e-mail]). The imagery and habitat classification products have been included in the dataset as ERDAS Imagine (.img), GeoTif (.tif) and ESRI shapefile formats. Every attempt has been made to include all of the original data and metadata, submitted in 2013, but please contact the Data Set Contacts with any questions. The long-term California MPA boundary and project info tables referenced in this dataset can be found as a separate dataset here: https://opc.dataone.org/view/doi:10.25494/P64S3W.

本海带分类数据集是为美国海洋赠款（Sea Grant）海洋保护区（Marine Protected Area, MPA）基线计划开发，作为"基于多光谱航空影像的近岸底质高精度制图与持续性监测"项目（编号#R/MPA17 09-015）的组成部分。研究区域为加利福尼亚中北海岸（North Central Coast, NCC）。本数据集的降分辨率快照为Adobe Acrobat（.PDF）浏览样式图像，该文件展示的覆盖范围为拱石（Arched Rock）美国地质调查局（United States Geological Survey, USGS）正射图幅（orthoquad）区域。本次分析所用的影像由海洋成像公司（Ocean Imaging, OI）通过数字多光谱相机（Digital Multispectral Camera, DMSC）获取。本项目所用影像由富格大地数据公司（Fugro EarthData）于2010年9月22日至23日采集，并于2011年将经过完全地理配准与正射校正、空间分辨率为0.30米的12位影像交付给OI。关于上述采集系统与数据处理的详细信息，请参见本文档的"数据溯源（Lineage）"章节。为生成覆盖加利福尼亚中北海岸从鸽子角（Pigeon Point）至阿雷纳角（Point Arena）的海带床合并栖息地分类结果所需的影像产品，研究人员基于美国地质调查局加利福尼亚中北海岸正射图幅，将单幅DMSC与ADS40影像瓦片拼接为若干分区。本次所用分类流程的详细信息，请参见本文档的"方法与采样"章节。本数据集最初于2013年作为中北海岸基线监测计划的一部分上传至Oceanspaces平台（http://oceanspaces.org/）。2022年，迈克·埃斯格罗（[e-mail]）与拉尼·加达姆（[e-mail]）将本数据集上传至加利福尼亚海洋保护委员会（California Ocean Protection Council, OPC）数据仓库。本数据集包含的影像与栖息地分类产品采用ERDAS Imagine (.img)、GeoTiff (.tif)与ESRI形状文件（shapefile）格式存储。本数据集已尽可能完整收录2013年提交的原始数据与元数据，如有任何疑问，请联系数据集联系人。本数据集引用的加利福尼亚长期海洋保护区边界与项目信息表可通过以下链接获取为独立数据集：https://opc.dataone.org/view/doi:10.25494/P64S3W。