reference : Increasing risk and uncertainty of flooding in the Mississippi River basin

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/reference/80446a6f-156b-48ee-9b50-faabef3a1e52
Bibliographic fields
reftype Journal Article
Abstract Flooding in the Mississippi basin has become increasingly uncertain, and a succession of progressively higher, peak annual water levels is observed at many sites. Many record levels set in the central USA by the huge 1993 flood have already been superseded. Methodology developed elsewhere that recognizes trends of river stages is used to estimate present-day flood risk at 27 sites in the Mississippi basin that have >100 years of continuous stage record. Unlike official estimates that are fundamentally based on discharge, this methodology requires only data on river stage. A novel plot linearizes the official flood levels that are indirectly derived from the complex, discharge-based calculations and demonstrates that the neglect of trends has resulted in the effective use of undersized means and standard deviations in flood risk analysis. A severe consequence is that official “base flood” levels are underestimated by 0.4 to 2 m at many sites in the central USA.
Author Criss, Robert E.; Luo, Mingming
DOI 10.1002/hyp.11097
Issue 6
Journal Hydrological Processes
Pages 1283-1292
Title Increasing risk and uncertainty of flooding in the Mississippi River basin
Volume 31
Year 2017
Bibliographic identifiers
_record_number 26563
_uuid 80446a6f-156b-48ee-9b50-faabef3a1e52