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the claim

Weather authorities rate and measure floods after they occur using high-water marks and discharge data

the verdict
SUPPORTED
the evidence backs this
Recorded sources
2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that weather authorities rate and measure floods after they occur using high-water marks and discharge data?

Yes. Weather and hydrological authorities regularly use high-water marks and discharge data to evaluate and measure floods after they occur.

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked

The analysis

The claim is a specific, empirical statement about standard hydrologic practices. Papers such as [1] and [4] directly support the use of post-flood high-water marks (HWMs) and streamflow/discharge data for assessing flood events and metrics. No papers refute the claim.

Evidence for · 2
Using Small Unmanned Aircraft Systems for Measuring Post-Flood High-Water Marks and Streambed Elevations
2020
The study demonstrates the measurement of post-flood high-water marks (HWMs) to define flood stage elevations and impacts.
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Forbes, B. T., DeBenedetto, G. P., Dickinson, J. E., Bunch, C. E., & Fitzpatrick, F. A. (2020). Using Small Unmanned Aircraft Systems for Measuring Post-Flood High-Water Marks and Streambed Elevations. doi.org. https://doi.org/10.3390/rs12091437

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More for · 1
Evaluation of flood metrics across the Mississippi-Atchafalaya River Basin and their relation to flood damages.
2024
The research utilizes streamflow time-series records and discharge metrics to assess and describe flood events and risks.
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KE, S., ES, A., J, M., K, S., PW, G., N, C., MJ, W., & JG, A. (2024). Evaluation of flood metrics across the Mississippi-Atchafalaya River Basin and their relation to flood damages.. doi.org. https://doi.org/10.1371/journal.pone.0307486

What does the evidence say?

The claim is a specific, empirical statement about standard hydrologic practices. Papers such as [1] and [4] directly support the use of post-flood high-water marks (HWMs) and streamflow/discharge data for assessing flood events and metrics. No papers refute the claim.

Receipt History
first checked04 Aug 2026
judged → SUPPORTED · 8004 Aug 2026
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