Controls on Discharge and Drying in an Intermittent Grassland Stream: Temporal and Network Variability

Controls on Discharge and Drying in an Intermittent Grassland Stream: Temporal and Network Variability | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); Skip to main content Preprints Collections Wiley Open Research IET Open Research Ecological Society of Japan All Collections About About Authorea FAQs Contact Us Quick Search anywhere Search for preprint articles, keywords, etc. Search Search ADVANCED SEARCH SCROLL This is a preprint and has not been peer reviewed. Data may be preliminary. 24 January 2025 V1 Latest version Share on Controls on Discharge and Drying in an Intermittent Grassland Stream: Temporal and Network Variability Authors : M.A Raihan 0009-0003-2559-8141 [email protected] , Walter Dodds 0000-0002-6666-8930 , Samuel Zipper 0000-0002-8735-5757 , and Trisha Moore 0000-0001-8902-2828 Authors Info & Affiliations https://doi.org/10.22541/au.173773026.68627327/v1 Published Ecohydrology Version of record Peer review timeline 513 views 222 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract Intermittent streams are prevalent worldwide, yet the understanding of drivers of their changing flow patterns remains incomplete. We examined hydrological changes spanning four decades (1982-2020) in Kings Creek, an intermittent grassland stream within the Konza Prairie Biological Station in Kansas, USA. We analyzed gauged data from a U.S. Geological Survey gage on Kings Creek and three upstream sub-watersheds with annual, biennial, or quadrennial burn frequencies, and linked trajectories of woody encroachment to increased evapotranspiration and changes in streamflow. Riparian cover doubled in the annually and biannually burned sub-watersheds, and seven-fold in the quadrennially burned watersheds. We observed significant decreases (84%) in daily discharge and number of annual flow days (55%) at the downstream Kings Creek gage, with similar changes in the sub watersheds. The changing riparian cover, propelled by the regional expansion of woody plants, contributed to decreased streamflow by amplifying actual evapotranspiration (AET). Seasonal assessments underscored the critical influence of late summer conditions (July-September), under which increases in AET were linked to rising temperatures and increased evapotranspiration by riparian cover. Our results highlight the significant hydrological impacts of woody encroachment in grasslands and emphasize the importance of long-term ecohydrological monitoring in unraveling the interplay between climate and vegetation as controls on the hyper-variable flow patterns in this intermittent stream. With global climate change accelerating woody encroachment, predicting, and managing hydrological impacts on the flow of intermittent grassland rivers and streams worldwide requires accounting for the effects of woody riparian vegetation. Supplementary Material File (discharge paper raihan ecohydrology submitted (1) (1).docx) Download 8.13 MB Information & Authors Information Version history V1 Version 1 24 January 2025 Peer review timeline Published Ecohydrology Version of Record 3 Sep 2025 Published Copyright This work is licensed under a Non Exclusive No Reuse License. Keywords burn frequencies et evapotranspiration flow patterns hydrological changes intermittent streams riparian cover woody encroachment Authors Affiliations M.A Raihan 0009-0003-2559-8141 [email protected] Kansas State University Division of Biology View all articles by this author Walter Dodds 0000-0002-6666-8930 Kansas State University Division of Biology View all articles by this author Samuel Zipper 0000-0002-8735-5757 The University of Kansas Geological Survey View all articles by this author Trisha Moore 0000-0001-8902-2828 Kansas State University Carl and Melinda Helwig Department of Biological and Agricultural Engineering View all articles by this author Metrics & Citations Metrics Article Usage 513 views 222 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation M.A Raihan, Walter Dodds, Samuel Zipper, et al. Controls on Discharge and Drying in an Intermittent Grassland Stream: Temporal and Network Variability. Authorea . 24 January 2025. DOI: https://doi.org/10.22541/au.173773026.68627327/v1 If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download. For more information or tips please see 'Downloading to a citation manager' in the Help menu . Format Please select one from the list RIS (ProCite, Reference Manager) EndNote BibTex Medlars RefWorks Direct import Tips for downloading citations document.getElementById('citMgrHelpLink').addEventListener('click', function() { popupHelp(this.href); return false; }); $(".js__slcInclude").on("change", function(e){ if ($(this).val() == 'refworks') $('#direct').prop("checked", false); $('#direct').prop("disabled", ($(this).val() == 'refworks')); }); View Options View options PDF View PDF Figures Tables Media Share Share Share article link Copy Link Copied! Copying failed. 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