high-resolution, daily hindcast (1990-2021) data of Alaskan river discharge and temperature

These data are describe in the paper “A high-resolution, daily hindcast (1990-2021) of Alaskan river discharge and temperature from coupled and optimized physical models” that was submitted to WRR. There are three files within this directory. 1. River_Segment_Locations.csv 2. Historic_River_Discharge.zip 3. Historic_River_Temperature.zip A detailed description of each document is as follows. River_Segment_Locations.csv: Contains a list of all the river segment vectors used in the study. For a brief description of each column, see below. 1. COMID: The unique identifier for each river segment 2. Latitude: The centroid latitude of each river segment in decimal degrees 3. Longitude: The centroid longitude of each river segment in decimal degrees 4. Outlet_COMID: The unique identifier of the basin outlet. This ID will be used to select files within the .zip files. Historic_River_Discharge.zip: Contains the daily river discharge data from January 1990 - September 2021. Files are broken down by basin, denoted by the Outlet_COMID, and the calendar year. Each file is a netCDF file that contains the river discharge (IRFroutedRunoff) in m3 s-1. Historic_River_Temperature.zip: Contains the daily river temperature data from January 1990 - September 2021. Files are broken down by basin, denoted by the Outlet_COMID, and the calendar year. Each file is a netCDF file that contains the water temperature (T_stream) in degrees Celsius, the air temperature (T_air), and the headwater temperature (T_headwater) in degrees Celsius.本数据集相关说明详见已提交至WRR的论文《基于耦合优化物理模型的阿拉斯加河流径流量与水温高分辨率逐日后报数据集（1990-2021）》。本目录中共包含三个文件：1. River_Segment_Locations.csv；2. Historic_River_Discharge.zip；3. Historic_River_Temperature.zip。各文件详细说明如下： River_Segment_Locations.csv：包含本研究所用全部河流河段的矢量列表，各列简要说明如下： 1. COMID：各河流河段的唯一标识符； 2. 纬度（Latitude）：各河流河段中心点的纬度值，单位为十进制度； 3. 经度（Longitude）：各河流河段中心点的经度值，单位为十进制度； 4. 出口COMID（Outlet_COMID）：流域出口的唯一标识符，该ID可用于选取压缩包内的对应文件。 Historic_River_Discharge.zip：包含1990年1月至2021年9月的逐日河流径流量数据。数据按流域（以Outlet_COMID标识）和日历年进行拆分，每个文件均为netCDF（网络通用数据格式）格式，其中包含单位为立方米每秒（m³·s⁻¹）的河流径流量（IRFroutedRunoff）。 Historic_River_Temperature.zip：包含1990年1月至2021年9月的逐日河流水温数据。数据按流域（以Outlet_COMID标识）和日历年进行拆分，每个文件均为netCDF格式，其中包含单位为摄氏度的河水温度（T_stream）、气温（T_air）以及源头水温（T_headwater）。