Western Arctic Shelf-Basin Interactions - SBI: Mesoscal Nutrient Structures in the Northern Chukchi and Beaufort Seas in Several Seasons

摘要：本研究将于2003年和2004年3月和4月在SBI工作区内的北极冰原上进行一系列飞机飞行，获取具有代表性的冬末-早春水柱的水文、营养和其他化学示踪剂分布。这些冬末样品将用于补充该地区额外的陆架盆地倡议（SBI）巡航水文。水文学（温度、盐度、密度）将根据水深从冰面到250米或海底绘制。将采集更多的营养物质、d18o和可能的溶解无机碳参数样本。研究区域将包括从巴罗角（阿拉斯加）到1650 W的横断面，横跨1540 W的大陆架斜坡断裂带的横断面，以及横跨1510 W的大陆架断裂带的横断面，沿着海流计系泊线的位置，作为更大的SBI实验的一部分。

ABSTRACTOCE-0125313The study will use a series of aircraft flights out onto Artic ice fields in the SBI work areas during March and April of years 2003 and 2004 to obtain hydrographic, nutrient and other chemical tracer distributions representative of end-winter - early spring conditions of the underlying water column. These late winter samples will be used to complement additional Shelf Basin Initiative (SBI) cruise hydrography in this region. Hydrography (temperature, salinity, density) will be profiled from the ice surface to 250m or the sea floor depending on water depth. Additional samples will be taken for nutrients, d 18O and possibly dissolved inorganic carbon parameters. The study areas will include transects out from Point Barrow (Alaska) to 1650 W, a transect across the shelf-slope break at 1540 W, and a transect across the shelf break at 1510 W, along the location of a current meter mooring line which is deployed as part of the larger SBI experiment.