Fig. 1: Examples of flooded fields in the study area Zealand in Denmark.
From: High nitrous oxide emissions from temporary flooded depressions within croplands
a Total study area Zealand in Denmark, the study area of 102 flooded depressions is marked as a red square and shown in detail in (b). c 1–3: Examples of flooded fields with various contrast and background conditions as they appear at various spatial resolutions, showing the resulting segmented boundaries.
