Hudson Bay streamflow represents a major component of the streamflow in Canada, approximately 30% of all river discharge enters Hudson and James Bays. Three current hydrological research issues are examined for this region.

• hudson海湾的河川径流量在整个加拿大河川径流量中占有很大的比例,所有河流排泄量约30%25流入了hudson和James海湾。