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Keywords:

  • groundwater;
  • surface water;
  • hyporheic zones;
  • lacustrine groundwater discharge

Abstract

[1] This paper introduces the special section on “new modeling approaches and novel experimental technologies for improved understanding of process dynamics at aquifer-surface water interfaces.” It is contextualizing the framework for the 27 research papers of the special section by firth identifying research gaps and imminent challenges for ecohydrological research at aquifer-surface water interfaces and then discussing the specific paper contributions on (i) new developments in temperature/heat tracing at GW-SW interfaces, (ii) new methods to capture the temporal and spatial variability of groundwater—surface water exchange, (iii) new approaches in modeling aquifer-river exchange flow, and (iv) new concepts and advanced theory of groundwater—surface water exchange.