Editorial issue 4, 2020 Maurits W. ErtsenEllen F. Arnold EditorialNotes 07 January 2021 Pages: 385 - 386
On the linkage between hydrology and society—learning from history about two-way interactions for sustainable development Saket PandeStefan Uhlenbrook OriginalPaper Open access 17 November 2020 Pages: 387 - 402
Hydro-political organization in Iranian history Majid Labbaf Khaneiki OriginalPaper 17 November 2020 Pages: 403 - 425
The valens aqueduct of constantinople: hydrology and hydraulics Martin Crapper OriginalPaper Open access 08 October 2020 Pages: 427 - 448
The canal system of Ju-i Dokhtar: new insight into water management in the eastern part of the Pasargadae plain (Fars, Iran) M.-L. ChambradeS. GondetF. Zareh-Kordshouli OriginalPaper 06 January 2021 Pages: 449 - 476
The co-development of agriculture and flood–related problems in the parishes of Högsby and Mörlunda, Sweden, 1600–1800 Oscar Jacobsson OriginalPaper Open access 10 December 2020 Pages: 477 - 500