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FORM = Retention Pond

Code: RP

Description: Excavated retention ponds, usually with drainage systems, <1m deep; wet all year.
Position: 0 to 1m below low water
Form: Basin
Soil: anthropogenic & sedimentary
Sedimentary Process: Sink: eroded & transported sediment input
L1 Minimum: >10m
L2 Minimum: >1m
Identification: usually identifiable as a hard feature
Compatible Classes

Annual Mixed Perennial
Mapped Ecotopes


Citation for AEM: Ellis E. C., H. Wang, H. Xiao, K. Peng, X. P. Liu, S. C. Li, H. Ouyang, X. Cheng, and L. Z. Yang. 2006. Measuring long-term ecological changes in densely populated landscapes using current and historical high resolution imagery. Remote Sensing of Environment 100(4):457-473.