A multiscale approach for monitoring groundwater discharge to headwater streams by the U.S. Geological Survey Next Generation Water Observing System Program—An example from the Neversink Reservoir watershed, New York

Briggs, Martin A.; Gazoorian, Christopher L.; Doctor, Daniel H.; Burns, Douglas A.

doi:10.3133/fs20223077

Cited by 3 publications

(2 citation statements)

References 13 publications

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“…It is unexpected to find little or no differences in the overall hydrologic patterns associated with land cover, watershed size, or baseflow index [43]. In particular, challenges persist in predicting flow in watersheds with recharge that changes seasonally and in large watersheds [44].…”

Section: Other Variablesmentioning

confidence: 99%

Standardized Baseflow Drought Index Comparison to SPEI in High Baseflow Streams

Clancy

2023

JWARP

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Increased use of streamflow, most importantly minimum flow/baseflow data should be incorporated into drought indices, especially in regions where streams have a high baseflow component. Standard departure for streamflow (SDSF) and standard departure for baseflow (SDBF) were compared to the standardized precipitation and evapotranspiration index (SPEI) drought index values for 17 baseflow-dominated watersheds in the northern, central, and southern regions of Wisconsin. For each watershed, comparisons of SDSF, SDBF, and SPEI time series (for 1, 3, and 12-month time scales) were evaluated using correlation, run lengths of negative and positive values, sign congruence, and Mann-Kendall trend test. In general, SDBF performed better than SDSF for longer time scales. Trends of wetness appear to be distinguished earlier in SDBF compared to SDSF and SPEI-1, SPEI-3, and SPEI-12. The results of this study are consistent with regional statewide climate studies on precipitation and changes in precipitation intensity. This study highlights how standardized baseflow data are robust and compare to SPEI 12-month time scales.

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Section: Other Variablesmentioning

confidence: 99%

Standardized Baseflow Drought Index Comparison to SPEI in High Baseflow Streams

Clancy

2023

JWARP

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“…However, the linear regression slope alone could not conclusively rule out the influence of shallow groundwater, for which an analysis of phase lag is needed and therefore underestimates air‐water relationship. For stream sites with pronounced shallow groundwater or anthropogenic influence we might expect the amplitude ratio and linear slope metrics to diverge (e.g., Briggs et al., 2022), and that is an area of active research using those paired methods.…”

Section: Example Applications Of Pastamentioning

confidence: 99%

Paired Air and Stream Temperature Analysis (PASTA) to Evaluate Groundwater Influence on Streams

Hare

Benz

Kurylyk

et al. 2023

Water Resources Research

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Groundwater discharge along the stream corridor is a critical component of many surface water ecosystems, particularly perennial streams and rivers (Boulton & Hancock, 2006;Briggs & Hare, 2018). Aggregate groundwater discharge is a dominant component of baseflow (the portion of the streamflow i.e., sustained between runoff and quickflow events). Baseflow represents a median of 55% of streamflow across the United States and ranges from 14% to 90% (Winter et al., 1998). Stream temperature may show a varied sensitivity to climate change (e.g., Isaak et al., 2016) than expected based on local air temperature change due to numerous factors including groundwater influence (Snyder et al., 2013). Despite their importance, measurements of groundwater discharge are often not readily scalable because they are labor-intensive or depend on extensive streamflow records that are only available at limited sites, with particularly poor coverage in headwater streams (Krabbenhoft et al., 2022). The development of new tools and techniques to rapidly identify streams and rivers with substantial

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