References
- Alemie, T. C., Tilahun, S. A., Ochoa‐Tocachi, B. F., Schmitter, P., Buytaert, W., Parlange, J. Y., & Steenhuis, T. S. (2019). Predicting shallow groundwater tables for sloping highland aquifers. Water Resources Research, 55(2019), 11088–11100. https://doi.org/https://doi.org/10.1029/2019WR025050
- Alexander, R. B., Boyer, E. W., Smith, R. A., Schwarz, G. E., & Moore, R. B. (2007). The role of headwater streams in downstream water quality. Journal of the American Water Resource Association, 43(1), 41–59. https://doi.org/https://doi.org/10.1111/j.1752-1688.2007.00005.x
- Amorim, P. K., & Batalha, M. A. (2006). Soil characteristics of a hyperseasonal cerrado compared to a seasonal cerado and a floodplain grassland: Implications for plant community structure. Brazilian Journal of Biology, 66(2), 661–670. https://doi.org/https://doi.org/10.1590/S1519-69842006000400010
- Anderson, M. G., & Burt, T. P. (1978). The role of topography in controlling throughflow generation. Earth Surface Processes and Landforms, 3(4), 331–344. https://doi.org/https://doi.org/10.1002/esp.3290030402
- Arnau, E., Calvo-Cases, A., & Boix-Fayos, C. (2008). Analysis of soil surface component patterns affecting runoff generation. An example of methods applied to Mediterranean hillslopes in Alicante (Spain). Geomorphology, 101(4), 595–606. https://doi.org/https://doi.org/10.1016/j.geomorph.2008.03.001
- Bárdossy, A., & Lehmann, W. (1998). Spatial distribution of soil moisture in a small catchment. Part 1: Geostatistical analysis. Journal of Hydrology, 206(1–2), 1–15. https://doi.org/https://doi.org/10.1016/S0022-1694(97)00152-2
- Braun-Blanquet, J. (1929, 1964). Pflanzensoziologie, Grundzfige der Vegetationskunde. 1. Aufl. Springer, Berlin 5, 330 3. Aufl (Vol. XIV). Springer.
- Chorley, R. J., & Beckinsale, R. P. (1980). G.K. Gilbert’s Geomorphology. Geological Society of America. Special Paper, 183(1980), 129–142.
- Cianciaruso, M. V., Batalha, M. A., & Aurelio da Silva, I. (2005). Seasonal variation of a hyperseasonal cerrado in Emas National Park central Brazil. Flora, 200(4), 345–353. https://doi.org/https://doi.org/10.1016/j.flora.2005.02.001
- Community Collaborative Rain, Hail and Snow Network. (2014). TX-TN-57 Station. Station Precipitation Summary. http://www.cocorahs.org/ViewData/StationPrecipSummary.aspx
- Costigan, K. H., Daniels, M. D., & Dodds, W. K. (2015). Fundamental spatial and temporal disconnections in the hydrology of an intermittent prairie headwater network. Journal of Hydrology, 522(2015), 305–316. https://doi.org/https://doi.org/10.1016/j.jhydrol.2014.12.031
- Dodds, W. K., Gido, K., Whiels, M. R., Fritz, K. M., & Matthews, W. J. (2004). Life on the edge: The ecology of Great Plains prairie streams. BioScience, 54(3), 205–218. https://doi.org/https://doi.org/10.1641/0006-3568(2004)054[0205:LOTETE]2.0.CO;2
- Doyle, G., Rocchio, J., & Culver, D. (2002). Survey of seeps and springs within the Bureau of land management’s grand junction field office management area (Mesa County, CO), report prepared for (and available from) Bureau of Land Management, Grand Junction Field Office 2815 H Road Grand Junction, CO 81506.
- Dykstheruis, E. J. (1946). The vegetation of the Fort Worth Prairie. Ecological Monographs, 16(1), 1–29. https://doi.org/https://doi.org/10.2307/1943572
- Fermanich, K., Zorn, M., Stieglitz, R., & Waltman, C. S. (2006). Mapping and characterization of springs in Brown and Calumet counties. Report to Wisconsin Department of Natural Resources, Bureau of Drinking Water and Groundwater, 76 pp.
- Ferreira, V., Panagopoulos, T., Andrad, R., Guerrero, C., & Loures, L. (2015). Spatial variability of soil properties and soil erodibility in the Alqueva reservoir watershed. Solid Earth, 6(2), 383–392. https://doi.org/https://doi.org/10.5194/se-6-383-2015
- George, R. J. (1992). Groundwater processes, sandplain seeps and interactions with regional aquifer systems in South-Western Australia. Journal of Hydrology, 134(1–4), 247–271. https://doi.org/https://doi.org/10.1016/0022-1694(92)90038-W
- Grenfell, S., Grenfell, M., Ellery, W., & Job, N. (2019). A genetic geomorphic classification system for Southern African Palustrine Wetlands: Global implications for the management of Wetlands in Drylands. Frontiers in Environmental Science, 7:174. https://doi.org/https://doi.org/10.3389/fenvs.2019.00174
- Griffith, G., Bryce, S., Omemik, J., Rogers, C. J., Harrion, A., Hatch, B., & Bezanson, D. (2004). Ecoregions of Texas Reston, Virginia: U.S. Geological Survey, scale 1:2,500,000. http://www.epa.gov/wed/pages/ecoregions/tx_eco.htm.
- Hack, J. T., & Goodlett, J. C. (1960). Geomorphology and forest ecology of a mountain region in the Central Appalachians. Washington DC: US Geological Survey. Professional paper no. 347.
- Hill, R. T. (1901). Geography and geology of the Black and Grand Prairies, Texas with detailed descriptions of the Cretaceous formations and special reference to artesian water, Washington.
- Jennings, M. J., Faber-Langendoen, D., Loucks, O. L., & Peet, R. K. (2009). Standards for associations and alliances of the U.S. National vegetation classification. Ecological Monographs, 79(2), 173–199. https://doi.org/https://doi.org/10.1890/07-1804.1
- Jue, M. (2011). Vegetative analysis of muhly hillslope seeps in North Central Texas. Master’s Thesis, Texas Christian University, 95 pp.
- Levick, L., Fonseca, J., Goodrich, D., Hernandez, M., Semmens, D., Stronberg, J., Leidy, R., Scianni, M., Guertin, D. P., Tluczek, M., & Kepner, W. (2008). The ecological and hydrological significance of ephemeral and intermittent streams in the arid and semi-arid American Southwest. U.S. Environmental Protection Agency and USDA/ARS Southwest Watershed Research Center, EPA/600/R-08/134, ARS/233046.
- Libala, N., Palmer, C. G., & Odume, O. N. (2020). Using a trait-based approach for assessing the vulnerability and resilience of hillslope seep wetland vegetation to cover disturbances in the Tsitsa River catchment, Eastern Cape, South Africa. Ecology and Evolution, 10(1), 277–291. https://doi.org/https://doi.org/10.1002/ece3.5893
- Llado, L., & Slattery, M. C. (2015). Fine scale temporal variations of surface moisture in topographically controlled Muhly grass seeps. Ecohydrology. 9(3), 371–381. https://doi.org/https://doi.org/10.1002/eco.1632
- Mazeika, S., Sullivan, P., Rains, M. C., & Rodewald, A. D. (2019). Opinion: The proposed change to definition of “waters of the United States” flouts sound science. Proceedings of the National Academy of Sciences, 116(24), 11558–11561. https://doi.org/https://doi.org/10.1073/pnas.1907489116
- McGlynn, B. L., McDonnel, J. J., & Brammer, D. D. (2002). A review of the evolving perceptual model of hillslope flowpaths at the Maimai catchments, New Zealand. Journal of Hydrology, 257(1–4), 1–26. https://doi.org/https://doi.org/10.1016/S0022-1694(01)00559-5
- McGlynn, B. L., McDonnell, J. J., Seibert, J., & Kendall, C. (2004). Scale effects on headwater catchment runoff timing, flow sources, and groundwater-streamflow relations. Water Resources Research, 40(7), W07504. https://doi.org/https://doi.org/10.1029/2003WR002494
- McLaughlin, B. C., Ackerly, D. D., Klos, P. Z., Natali, J., Dawson, T. E., & Thompson, S. E. (2017). Hydrologic refugia, plants, and climate change. Global Change Biology, Research Review, 23(8), 2941–2961. https://doi.org/https://doi.org/10.1111/gcb.13629
- McMillan, H. K., & Srinivasan, M. S. (2015). Characteristics and controls of variability in soil moisture and groundwater in a headwater catchment. Hydrology and Earth System Sciences, 19(4), 1767–1786. https://doi.org/https://doi.org/10.5194/hess-19-1767-2015
- Morley, T. R., & Calhoun, A. J. L. (2009). Vegetation characteristics of forested hillside seeps in eastern Maine, USA 1, 2. The Journal of the Torrey Botanical Society, 136(4), 520–531. https://doi.org/https://doi.org/10.3159/08-RA-073.1
- Nielsen-Gammon, J. W. (2011). The 2011 Texas drought: A briefing packet for the Texas Legislature. OSC Report: The 2011 Texas Drought. The Office of the State Climatologist. College of Geosciences, Texas A&M University, College Station. 43 pp.
- NOAA (National Oceanic and Atmospheric Administration). (2016). Dallas/Fort Worth – Monthly and annual precipitation. National Weather Service Weather Forecast Office. http://www.srh.noaa.gov/fwd/?n=dmoprecip.
- NOAA National Centers for Environmental Information, State of the Climate: Drought for Annual 2011. (2012), published online Feburary 2012. Retrieved November 28, 2017 from https://www.ncdc.noaa.gov/sotc/drought/201113.
- O’Driscoll, M. A., & DeWalle, D. R. (2010). Seeps regulate stream nitrate concentration in a forested Appalachian catchment. Journal of Environmental Quality, 39(1), 420–431. https://doi.org/https://doi.org/10.2134/jeq2009.0083
- O’Kennon, R. J., & Taylor, K. N. (2015). Cyperus Granitophilus (Cyperaceae). A granite outcrop endemic, New for Texas and Oklahoma (U.S.A.). Journal of the Botanical Research Institute of Texas, 9(1), 251–257. https://www.jstor.org/stable/24621274
- Ocampo, C. J., Sivapalan, M., & Oldham, C. (2006). Hydrological connectivity of upland-riparian zones in agricultural catchments: Implication for runoff generation and nitrate transport. Journal of Hydrology, 331(3-4), 643–658. https://doi.org/https://doi.org/10.1016/j.hydrol.2006.06.010
- Omernik, J. M., Griffith, G. E., & McGinley, M. (2012). Ecoregions of Texas (EPA). In Encyclopedia of Earth. Environmental Information Coalition, National Council for Science and the Environment. http://www.eoearth.org/article/Ecoregions_of_Texas_(EPA)
- Penna, D., Tromp-vam Merrvald, H. J., Gobbi, A., Borga, M., & Dalla Fontana, G. (2011). The influence of soil moisture on threshold runoff generation processes in an alpline headwater catchment. Hydrology and Earth System Sciences, 15(3), 689–702. https://doi.org/https://doi.org/10.5194/hess-15-689-2011
- Peterson, A. M., Helgason, W. H., & Ireson, A. M. (2019). How spatial patterns of soil moisture dynamics can explain field‐scale soil moisture variability: Observations from a sodic landscape. Water Resources Research, 55(5), 4410–4426. https://doi.org/https://doi.org/10.1029/2018WR023329
- Poe, M. E. D. (1955). The use of phytosociological methods in ecological investigations: I. The Braun-Blanquet System. Journal of Ecology, 43(1), 226–244. https://doi.org/https://doi.org/10.2307/2257132
- Ressel, D. D. (1981). Soil survey of Tarrant County. United States Department of Agriculture Soil Conservation Service in cooperation with Texas Agricultural Experiment Station.
- Roy, A. H., Dybas, A. L., Fritz, K. M., & Lubbers, H. R. (2009). Urbanization affects the extent and hydrologic permanence of headwater streams in a midwestern US metropolitan area. Freshwater Science, 29(4), 911–928. https://doi.org/https://doi.org/10.1899/08-178.1
- Sarmiento, G. (1984). The ecology of Neotropical Savannas. President and Fellows of Harvard College.
- Sarmiento, G., & Pinillos, M. (2001). Patterns and processes in a seasonally flooded tropical plain: The Apure Llanos, Venezuela. Journal of Biogeography, 28(8), 985–996. https://doi.org/https://doi.org/10.1046/j.1365-2699.2001.00601.x
- Sarmiento, G., Pinillos, M., Silva, M. P., & Acevedo, D. (2004). Effects of soil water regime and grazing on vegetation diversity and production in a hyperseasonal savanna in the Apure Llanos, Venezuela. Journal of Tropical Ecology, 20(2), 209–220. https://doi.org/https://doi.org/10.1017/S0266467403001299
- Scott, R. W., Benson, D. G., Morin, R. W., Shaffer, B. L., & Oboh-Ikuenobe, F. E. (2003). Integrated Albian-Lower Cenomanian chronostratigraphy standard, Trinity River Section. Gulf Coast Cretaceous Stratigraphy and Paleontology, Perkins Memorial Volume.
- Southern Regional Climate Center. (2016). Average precipitation in August for TX. Temperature and Precipitation Averages. http://www.srcc.lsu.edu/
- Swadek, R. K., & Burgess, T. B. (2012). The vascular flora of the North Central Texas Walnut Formation. Journal of the Botanical Research Institute of Texas, 6(2), 725–752. https://www.jstor.org/stable/41972462
- Taylor, K. N. (2010). A floristic ecology study of seasonally wet limestone cedar glades of Tennessee and Kentucky, master’s thesis, Austin Peay State University 175 pp.
- Taylor, K. N., & Estes, D. (2012). The floristic and community ecology of seasonally wet limestone glade seeps of Tennessee and Kentucky. Journal of the Botanical Research Institute of Texas, 6(2), 711–742. https://www.jstor.org/stable/41972461
- Tromp-van Meerveld, H. J., & McDonnell, J. J. (2006a). Threshold relations in subsurface stormflow: 2. The fill and spill hypothesis. Water Resource Research, 42(2), 1–11. https://doi.org/https://doi.org/10.1029/2004WR003800
- Tromp-van Meerveld, H. J., & McDonnell, J. J. (2006b). On the interrelations between topography, soil depth, soil moisture, transpiration rates and species distribution at the hillslope scale. Advances in Water Resources, 29(2), 293–310. https://doi.org/https://doi.org/10.1016/j.advwatres.2005.02.016
- USACE and EPA (US Army Corps of Engineers and US Environmental Protection Agency. (2020). The Navigable Waters Protection Rule: Definition of “Waters of the United States”. Final Rule. 85 FR 22250. 22250–22342.
- Van Schaik, N. L. M. B., Schnabel, S., & Jetten, V. G. (2008). The influence of preferential flow on hillslope hydrology in a semi-arid watershed (In the Spanish Dehesas). Hydrological Processes, 22(18), 3844–3855. https://doi.org/https://doi.org/10.1002/hyp.6998
- Verheyen, D., Gaelen, N. V., Ronchi, B., Batelaan, O., Stuyf, E., Govers, G., Merckx, R., & Diels, J. (2015). Dissolved phosphorous transport from soil to surface water in catchments with different land use. AMBIO, 44(Suppl. 2), S228–S240. https://doi.org/https://doi.org/10.1007/s13280-014-0617-5
- Vidon, P. G. F., & Hill, A. R. (2004). Landscape controls on the hydrology of stream riparian zones. Journal of Hydrology, 292(1–4), 210–228. https://doi.org/https://doi.org/10.1016/j.jhydrol.2004.01.005
- Wenninger, J., Uhlenbrook, S., Tilch, N., & Leibundgut, C. (2004). Experimental evidence of fast groundwater responses in a hillslope/floodplain area in the Black Forest Mountains, Germany. Hydrological Processes, 18(17), 3305–3322. https://doi.org/https://doi.org/10.1002/hyp.5686
- Western, A. W., Zhou, S., Grayson, R. B., McMahon, T. A., Blöschl, G., & Wilson, D. J. (2004). Spatial correlation of soil moisture in small catchments and its relationship to dominant spatial hydrological processes. Journal of Hydrology, 286(1–4), 113–134. https://doi.org/https://doi.org/10.1016/j.jhydrol.2003.09.014
- Williams, D. A. (2008). Appropriate design elements and soil selection for green roofs in North Central Texas, Master’s Thesis, Texas Christian University 65 pp.
- Wilson, D. J., Western, A. W., & Grayson, R. B. (2004). Identifying and quantifying sources of variability in temporal and spatial soil moisture observations. Water Resource Research, 40(2), W02507. https://doi.org/https://doi.org/10.1029/2003wr002306
- Wohl, E. (2017). The significance of small streams. Frontiers of Earth Science, 11(3), 447–456. https://doi.org/https://doi.org/10.1007/s11707-017-0647-y