资源环境科技发展态势分析平台

Many complex fjord systems cross British Columbia's coastline. A multi‐decadal (1951 to 2020) time series analysis of temperature, salinity, and oxygen in four such fjords between ∼ 54 – 50^o N (Douglas Channel, Rivers Inlet, Knight Inlet and Bute Inlet) shows that changes were greatest in waters between the sill and the bottom: deep water temperature increased by 1.2 to 1.3°C, up to two times the global average for open ocean waters at corresponding depths, while salinity increased by 0.1 to 0.2, and oxygen decreased by 0.4 to 0.7 mLL^‐1. Comparable rates of change suggest that similar drivers influenced all of the fjords, although changes in Apparent Oxygen Utilization suggest differences between the northern Douglas Channel and the three southern inlets.