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| hasDataset_Online_Resource |
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| hasDataset_Title |
- Streamflow drought indicators across conterminous United States
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| hasReference |
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Pournasiri Poshtiri M., E. Towler, and I. Pal, 2018: Characterizing
and understanding the variability of streamflow drought indicators
within the USA. Hydrological Sciences Journal, 63(12), 1791-1803
(DOI: 10.1080/02626667.2018.1534240).
Pournasiri Poshtiri, M., E. Towler, and I. Pal, 2017: Streamflow
Drought Indicators for the Conterminous United States. TN-541+STR,
NCAR, 33 pp. (DOI: 10.5065/D65D8QJH), URL:
https://opensky.ucar.edu/islandora/object/technotes:558.
Pournasiri, M., and I. Pal, 2015: Patterns of hydrological drought
indicators in major U.S. River basins. Climatic Change, 133(2), 1-15
(DOI: 10.1007/s10584-015-1542-8).
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| hasSummary |
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This dataset contains indicators for characterizing observed
streamflow droughts in 603 stations through the major watershed
regions of the conterminous U.S. The dataset is based on observed
streamflow data from Hydro-Climatic Data Network 2009, developed by
the U.S. Geological Survey. Due to multi-attributable aspect of this
natural hazard, analyzing the various feature of droughts is
necessary. This dataset is useful to help advance water resources
decision-making and will allow researchers to identify trends as
well as potential drivers (e.g., land use or climate) associated
with streamflow droughts.
The dataset is organized in three different categories: low flow
characteristics, deficit characteristics, and independent drought
event characteristics for 603 stations through the major watershed
regions of the conterminous US from 1900 to 2012. Low flow
characteristics include minimum 1-day , 7-day, and 30-day mean flow
as well as 50th, 75th, 90th and 95th percentiles from the flow
duration curve, which examined over annual, Northern summer,
Northern winter, and 12 calendar month time scales. Deficit
characteristics are examined for the 1-day, 7-day and 30-day mean
flow with 10 years return period, as well as 50th, 75th, 90th and
95th percentiles threshold levels over annual, Northern summer,
Northern winter, and 12 calendar month time scales, and include
cumulative streamflow deficit occurrence, cumulative streamflow
deficit volume, minimum streamflow deficit volume, and deficit
intensity. Independent drought event characteristics are examined
over annual time scale and include number of droughts, first day of
drought, drought duration, and drought deficit volume.
Data are available in two- and three-dimensional files over the
conterminous U.S. for the periods 1900 to 2012.
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