Zobrazeno 1 - 10
of 171
pro vyhledávání: '"Jirka, Šimůnek"'
Publikováno v:
Vadose Zone Journal, Vol 23, Iss 6, Pp n/a-n/a (2024)
Abstract Colloid‐facilitated transport has been widely acknowledged as a significant contributor to surface water and groundwater pollution. Compared to water‐dissolved solutes, colloids are subject to a size exclusion effect (SEE) due to their i
Externí odkaz:
https://doaj.org/article/41310f3fcba54e3f99e6f59d905edab4
Publikováno v:
Agricultural Water Management, Vol 303, Iss , Pp 109056- (2024)
Plants on the land surface play a vital role in the hydrological water cycle as they transport soil water to the atmosphere through transpiration. Root water uptake (RWU) is considered a crucial step in this process as it is the first stage of transp
Externí odkaz:
https://doaj.org/article/0813a819b7634e828ae4a891e7f98c4f
Autor:
Mateusz Pawlowicz, Bartosz Balis, Adam Szymkiewicz, Jirka Šimůnek, Anna Gumuła-Kawęcka, Beata Jaworska-Szulc
Publikováno v:
SoftwareX, Vol 26, Iss , Pp 101680- (2024)
A new software HMSE has been developed to facilitate external coupling between two well-known programs for subsurface flow modeling: MODFLOW-2005 (saturated zone flow) and HYDRUS-1D (unsaturated zone flow). Two coupling schemes have been implemented.
Externí odkaz:
https://doaj.org/article/de148aad2bbd40faa1ab998d66af53a7
Publikováno v:
Land, Vol 12, Iss 10, p 1947 (2023)
Water scarcity and quality are critical impediments to sustainable crop production. In this study, HYDRUS-2D was calibrated using field measurements of water contents and salinities in the soil under wine grapes irrigated with river water (Rw, 0.32 d
Externí odkaz:
https://doaj.org/article/03c5508f391f435d9919e39ad0bc1c01
Autor:
Mehdi Rahmati, Jan Vanderborght, Jirka Šimůnek, Jasper A. Vrugt, David Moret‐Fernández, Borja Latorre, Laurent Lassabatere, Harry Vereecken
Publikováno v:
Vadose Zone Journal, Vol 19, Iss 1, Pp n/a-n/a (2020)
Abstract Many different equations ranging from simple empirical to semi‐analytical solutions of the Richards equation have been proposed for quantitative description of water infiltration into variably saturated soils. The sorptivity, S, and the sa
Externí odkaz:
https://doaj.org/article/8554d7bd688444a5b8e24ab9ca2fe0e4
Publikováno v:
Soil Systems, Vol 5, Iss 4, p 58 (2021)
California is increasingly experiencing drought conditions that restrict irrigation deliveries to perennial nut crops such as almonds and pistachios. During drought, poorer quality groundwater is often used to maintain these crops, but this use often
Externí odkaz:
https://doaj.org/article/9f61b7a47836440ba9fa3a9614aed0ba
Publikováno v:
Soil Systems, Vol 5, Iss 3, p 49 (2021)
Long-term use of recycled water (RW) for irrigation in arid and semiarid regions usually changes the soil solution composition and soil exchange characteristics, enhancing the risk for salinity and sodicity hazards in soils. This modelling study focu
Externí odkaz:
https://doaj.org/article/3bdd0fa000224573a87124a4b5b1a767
Autor:
Sarah A. Helalia, Ray G. Anderson, Todd H. Skaggs, G. Darrel Jenerette, Dong Wang, Jirka Šimůnek
Publikováno v:
Soil Systems, Vol 5, Iss 3, p 50 (2021)
Soil salinity increases when growers are forced to use higher salinity irrigation waters due to water shortages. It is necessary to estimate the impact of irrigation water on soil properties and conditions for crop growth to manage the effects of sal
Externí odkaz:
https://doaj.org/article/b74bf0cd30b845539eef40f48c6b13cd
Infiltration from the Pedon to Global Grid Scales: An Overview and Outlook for Land Surface Modeling
Autor:
Harry Vereecken, Lutz Weihermüller, Shmuel Assouline, Jirka Šimůnek, Anne Verhoef, Michael Herbst, Nicole Archer, Binayak Mohanty, Carsten Montzka, Jan Vanderborght, Gianpaolo Balsamo, Michel Bechtold, Aaron Boone, Sarah Chadburn, Matthias Cuntz, Bertrand Decharme, Agnès Ducharne, Michael Ek, Sebastien Garrigues, Klaus Goergen, Joachim Ingwersen, Stefan Kollet, David M. Lawrence, Qian Li, Dani Or, Sean Swenson, Philipp de Vrese, Robert Walko, Yihua Wu, Yongkang Xue
Publikováno v:
Vadose Zone Journal, Vol 18, Iss 1 (2019)
Infiltration in soils is a key process that partitions precipitation at the land surface into surface runoff and water that enters the soil profile. We reviewed the basic principles of water infiltration in soils and we analyzed approaches commonly u
Externí odkaz:
https://doaj.org/article/bb93f616b7fa46ddab32644d73c06186
Publikováno v:
Hydrological Sciences Journal. 66:795-808
Seepage through an aquifer, the hydraulic conductivity of which varies vertically, is studied using the Dupuit-Forchheimer approximation (Girinskii’s potential) and numerically by FDM-MODFLOW and F...