SAFARI 2000 SURFACE ALBEDO AND RADIATION FLUXES AT MONGU AND SKUKUZA, 2000-2002

Top-of-the-canopy broadband albedo and radiation fluxes are calculated from measurements at the Mongu and Skukuza flux tower sites in southern Africa from March 2000 through December 2002. Data were collected by instrumentation deployed at the top of the 30 m tower in the Kataba Local Forest near Mongu, Zambia, and atop the 20 m tower at the Skukuza tower site in Kruger National Park, South Africa. At the Mongu site, Kipp and Zonen albedometers housing both upward- and downward-looking pyranometers were outfitted with clear and red domes to collect broadband albedo and radiation fluxes in the shortwave (SW) and near-infrared (NIR) wavebands, respectively. The data are mean values provided at 15-minute intervals for 2000-2002. At the Skukuza tower, Kipp and Zonen albedometers (also outfitted with clear and red domes) collected broadband albedo and radiation fluxes in the SW and NIR wavebands. In addition, a pyrgeometer was used to collect longwave radiation flux in thermal infrared (TIR) wavebands. The data at Skukuza are mean values provided at 30-minute intervals for 2000-2002, except for the TIR data, which are provided for 2001 and 2002 only. For both sites, photosynthetically active radiation can be calculated from measurements.The data are provided in comma-delimited ASCII files, with column headers. The SW and NIR data for both sites are provided in one file per year per site for 2000-2002. The Skukuza longwave data are provided separately, and for years 2001 and 2002 only.

冠层顶部宽带反照率（broadband albedo）与辐射通量（radiation fluxes），基于2000年3月至2002年12月间非洲南部蒙古（Mongu）与斯库库扎（Skukuza）通量塔（flux tower）站点的观测数据计算得到。其中，赞比亚蒙古附近卡塔巴本地森林内30米高塔顶部部署的观测仪器采集了相关数据，南非克鲁格国家公园斯库库扎站点的20米高塔顶部亦部署了同类采集设备。

蒙古站点的基普与佐南（Kipp and Zonen）反照率计搭载了上行与下行总辐射表（pyranometer），分别配备透光穹顶与红色穹顶，用以采集短波（shortwave，SW）与近红外（near-infrared，NIR）波段的宽带反照率与辐射通量。该站点2000-2002年的观测数据为15分钟间隔的平均值。

斯库库扎通量塔同样搭载基普与佐南反照率计（配备透光与红色穹顶），用于采集短波与近红外波段的宽带反照率及辐射通量。此外，该站点还使用长波辐射计（pyrgeometer）采集热红外（thermal infrared，TIR）波段的长波辐射通量。斯库库扎站点2000-2002年的数据集除热红外数据仅覆盖2001年与2002年外，其余数据均为30分钟间隔的平均值。

两个站点均可通过原始观测数据计算光合有效辐射（photosynthetically active radiation）。本数据集以带有列标题的逗号分隔ASCII文件（comma-delimited ASCII files）格式存储。两个站点的短波与近红外数据按站点与年份分文件存储，覆盖2000-2002年。斯库库扎站点的长波辐射数据单独存储，且仅覆盖2001年与2002年。