Estimating selected low-flow frequency statistics and harmonic-mean flows for ungaged, unregulated streams in Indiana

Martin, Gary R.; Fowler, Kathleen K.; Arihood, Leslie D.

doi:10.3133/sir20165102

Cited by 5 publications

(1 citation statement)

References 30 publications

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“…This data network is a valuable indication of observed natural streamflow records and has been employed in many streamflow studies (Frei, Kunkel, & Matonse, ; Kam & Sheffield, ; Newman et al, ; Pournasiri Poshtiri et al, ; Pournasiri Poshtiri & Pal, ; Pournasiri Poshtiri & Pal, ; Rossi, Whipple, & Vivoni, ; Timilsena, Piechota, Tootle, & Singh, ; Vidal et al, ). We define the climate year to be from April to March for all the analyses; this is so streamflow from the entire dry season are included in the annual values (Cravotta, ; Martin & Arihood, ; Martin, Fowler, & Arihood, ; United States Environmental Protection Agency, ).…”

Section: Datamentioning

confidence: 99%

Variability patterns of the annual frequency and timing of low streamflow days across the United States and their linkage to regional and large‐scale climate

Poshtiri

Pal

Lall

et al. 2019

Hydrological Processes

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Low-flow events can cause significant impacts to river ecosystems and water-use sectors; as such, it is important to understand their variability and drivers. In this study, we characterise the variability and timing of annual total frequency of lowstreamflow days across a range of headwater streams within the continental United States. To quantify this, we use a metric that counts the annual number of lowflow days below a given threshold, defined as the cumulative dry days occurrence (CDO). First, we identify three large clusters of stream gauge locations using a Partitioning Around Medoids (PAM) clustering algorithm. In terms of timing, results reveal that for most clusters, the majority of low-streamflow days occur from the middle of summer until early fall, although several locations in Central and Western United States also experience low-flow days in cold seasons. Further, we aim to identify the regional climate and larger scale drivers for these low-streamflow days.

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Section: Datamentioning

confidence: 99%

Variability patterns of the annual frequency and timing of low streamflow days across the United States and their linkage to regional and large‐scale climate

Poshtiri

Pal

Lall

et al. 2019

Hydrological Processes

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Insights on expected streamflow response to land-cover restoration

Dennedy‐Frank

Gorelick

2020

Journal of Hydrology

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Four Years of Meander‐Bend Evolution Captured by Drone‐Based Lidar Reveals Lack of Width Maintenance on the White River, Indiana, USA

Martin,

Edmonds,

Lewis

2024

JGR Earth Surface

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Meandering rivers experience fluctuations in width whenever riverbanks migrate in different directions or at different rates, which can be observed after individual floods. However, meandering rivers maintain approximately constant widths over decadal timescales. This implies some timescale below which width fluctuates as banks migrate independently, and above which width is maintained by a bank‐coupling process. This coupling is thought to occur either as point bar deposition events induce cutbank erosion (bar‐push), or as cutbank erosion events induce point bar deposition (bank‐pull). This coupling, however, has been challenging to observe in natural rivers due to limited event‐scale field data. We present results from a 4.5‐year campaign with 22 drone‐based lidar surveys of a single point bar and cutbank (∼0.35 km2 in area) on the White River near Worthington, Indiana, USA. The middle point bar experienced net erosion (5,400 m3), but net aggradation (17,100 m3) between 2019 and 2022 when including perennially submerged regions. This aggradation was less than the 35,700 m3 of cutbank erosion over the same period. Combined, we have observed widening (1.58 m/yr bend‐averaged; 3.08 m/yr near apex) over the study period as point bar deposition has not kept up with cutbank erosion. Finally, we suggest that the difference between bar‐push and bank‐pull as width‐maintenance mechanisms may not be resolvable by observing bend widening or narrowing alone without an advancement of current theory, such as determining a long‐term equilibrium width and measuring deviations relative thereto.

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Estimating selected low-flow frequency statistics and harmonic-mean flows for ungaged, unregulated streams in Indiana

Cited by 5 publications

References 30 publications

Variability patterns of the annual frequency and timing of low streamflow days across the United States and their linkage to regional and large‐scale climate

Variability patterns of the annual frequency and timing of low streamflow days across the United States and their linkage to regional and large‐scale climate

Insights on expected streamflow response to land-cover restoration

Four Years of Meander‐Bend Evolution Captured by Drone‐Based Lidar Reveals Lack of Width Maintenance on the White River, Indiana, USA

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