Aquarius Official Release Level 3 Wind Speed Standard Mapped Image Ascending Seasonal Climatology Data V5.0

Aquarius Level 3 ocean surface wind speed standard mapped image data contains gridded 1 degree spatial resolution wind speed data averaged over daily, 7 day, monthly, and seasonal time scales. This particular data set is
the seasonal climatology, Ascending wind speed product for version 5.0 of the Aquarius data set, which is the official end of mission public data release from the AQUARIUS/SAC-D mission. Only retrieved values for Ascending passes have been used to create this product. The Aquarius instrument is onboard the AQUARIUS/SAC-D satellite, a collaborative effort between NASA and the Argentinian Space Agency Comision Nacional de Actividades Espaciales (CONAE). The instrument consists of three radiometers in push broom alignment at incidence angles of 29, 38, and 46 degrees incidence angles relative to the shadow side of the orbit. Footprints for the beams are: 76 km (along-track) x 94 km (cross-track), 84 km x 120 km and 96km x 156 km, yielding a total cross-track swath of 370 km. The radiometers measure brightness temperature at 1.413 GHz in their respective horizontal and vertical polarizations (TH and TV). A scatterometer operating at 1.26 GHz measures ocean backscatter in each footprint that is used for surface roughness corrections in the estimation of salinity. The scatterometer has an approximate 390km swath.

Aquarius三级海洋表面风速标准映射图像数据集包含按1度空间分辨率格网化的风速数据，这些数据平均覆盖了日、7日、月和季节性时间尺度。本数据集特指季节性气候学，为Aquarius数据集第五版提供的上升风速产品，该数据集是AQUARIUS/SAC-D任务官方任务结束后的公共数据发布。在此产品中仅使用了上升通道检索到的数据。Aquarius仪器装载于AQUARIUS/SAC-D卫星上，该卫星为美国宇航局（NASA）与阿根廷国家空间活动委员会（CONAE）的联合项目。该仪器由三个推扫式排列的辐射计组成，分别对应于29度、38度和46度的入射角，相对于轨道的阴影侧。辐射计的光斑范围为：76公里（沿轨）x 94公里（横轨），84公里 x 120公里和96公里 x 156公里，总横跨宽度为370公里。辐射计在各自的水平和垂直极化（TH和TV）下测量1.413 GHz的亮度温度。在1.26 GHz频率下运行的散射计测量每个光斑中的海洋后向散射，该数据用于估算盐度时对表面粗糙度的校正。散射计的大致横跨宽度为390公里。