Figure 2. (a) Location of Bjurbäcken and Hjuksån catchments (drainage areas ~350 km2) along the Vindel River (Bjurbäcken in light grey and Hjuksån in dark grey) in the Ume River catchment. The location of Ume River catchment shown in grey within map of Sweden (bottom left). Maps of sub-catchments (b) Bjurbäcken and (c) Hjuksån show process domain reaches demarcated along the mainstem. All lakes within catchments (on both mainstem and tributaries) shown as light blue. The mouth of both rivers (Bjurbäcken and Hjuksån) are at the Vindel River. Scale bar applies to sub-catchment maps.