Your search found 12 records
1 Tanton, T. W.; Rycroft, D. W.; Hashimi, M. 1995. Leaching of salt from a heavy clay subsoil under simulated rainfall conditions. Agricultural Water Management, 27(3/4):321-329.
(Location: IWMI-HQ Call no: PER Record No: H016781)
2 Rycroft, D. W.; Amer, M. H. 1995. Prospects for the drainage of clay soils. Rome, Italy: FAO. xii, 134p. (FAO irrigation and drainage paper 51)
Clay soils ; Vertisols ; Infiltration ; Soil moisture ; Surface drainage ; Sedimentation ; Irrigation ; Subsurface drainage ; Soil properties ; Soil water movement ; Soil reclamation ; Case studies ; Rice ; Water harvesting ; Environmental effects ; Hydrology ; Water quality ; Economic analysis / Algeria / Yugoslavia / Portugal / Spain / Egypt / Canada / UK
(Location: IWMI-HQ Call no: 631.4 G000 RYC Record No: H017482)
3 Tanton, T. W.; Armstrong, A. S. B.; Rycroft, D. W.. 1996. Movement of water in restructured saline and sodic clay topsoils under a rainfall simulator. Agricultural Water Management, 29(3):255-265.
(Location: IWMI-HQ Call no: PER Record No: H018214)
4 Tanton, T. W.; Rycroft, D. W.. 1996. Monitoring of drainage performance. In Vincent, B. (Ed.), 16th ICID Congress: Sustainability of Irrigated Agriculture - Evaluation of the Performance of Subsurface Drainage Systems: Transactions of the Workshop, Cairo, Egypt, 15-22 September 1996. New Delhi, India: ICID. pp.175-182.
(Location: IWMI-HQ Call no: ICID 631.7.8 G000 VIN Record No: H019507)
5 Armstrong, A. S. B.; Rycroft, D. W.; Tanton, T. W. 1996. Seasonal movement of salts in naturally structured saline-sodic clay soils. Agricultural Water Management, 32(1):15-27.
Soil properties ; Clay soils ; Sodic soils ; Soil salinity ; Leaching ; Drainage ; Rain / UK / Kent / St. Mary's Marsh
(Location: IWMI-HQ Call no: PER Record No: H019750)
6 Armstrong, A. S. B.; Tanton, T. W.; Rycroft, D. W.. 1998. The effect of ped size, simulated rainfall duration and frequency on the leaching of salts from clay topsoils. Agricultural Water Management, 37(2):133-143.
(Location: IWMI-HQ Call no: PER Record No: H022824)
7 Rycroft, D. W.; Naseri, A. A.; Armstrong, A. S. B.; Harding, D. 1998. Modelling flow through a restructured soil during horizontal leaching. ICID Journal, 47(2):25-35.
Soil reclamation ; Soil structure ; Leaching ; Mathematical models ; Soil water ; Soil salinity ; Clay soils ; Drainage ; Water table / Turkey / Jamaica
(Location: IWMI-HQ Call no: PER Record No: H023793)
8 Abdel-Dayem, S.; Rycroft, D. W.; Ramadan, F.; El-Baroudy, I.; Tahoun, A. 2000. Reclamation of saline clay soils in the Tina Plain, Egypt. ICID Journal, 49(1):17-28.
Clay soils ; Soil salinity ; Soil reclamation ; Soil texture ; Leaching ; Percolation ; Irrigation water / Egypt / Tina Plain
(Location: IWMI-HQ Call no: PER Record No: H026285)
9 Rycroft, D. W.; Kyei-Baffour, N.; Tanton, T. 2002. The effect of sodicity on the strength of a soil surface. Irrigation and Drainage, 51(4):339-346.
(Location: IWMI-HQ Call no: PER Record No: H030720)
10 Kyei-Baffour, N.; Rycroft, D. W.; Tanton, T. W. 2004. The impacts of sodicity on soil strength. Irrigation and Drainage, 53(1):77-85.
(Location: IWMI-HQ Call no: PER Record No: H034489)
11 Rycroft, D. W.; Wegerich, K. 2009. The three blind spots of Afghanistan: water flow, irrigation development, and the impact of climate change. China and Eurasia Forum Quarterly, 7(4):115-133.
Water demand ; Climate change ; River basins ; Water requirements ; Irrigation water ; Evapotranspiration / Afghanistan / Amu Darya / Emam Saheb Town / Kunduz River / Pulikumri
(Location: IWMI HQ Call no: e-copy only Record No: H043102)
http://www.chinaeurasia.org/images/stories/isdp-cefq/CEFQ200912/cefq7.4dwrkw115-133.pdf
https://vlibrary.iwmi.org/pdf/H043102.pdf
https://vlibrary.iwmi.org/pdf/H043102.pdf
(0.87 MB)
The article discusses the three blind spots of northern Afghanistan: water flow, irrigation development, and the impact of climate change. Consideration is given to the different data sets for the current irrigated areas, water resources, and future potentials according to identified projects in northern Afghanistan. The water accounting programme WEAP (Water Evaluation and Planning System) has then been applied to estimate the current demands for water as well as the increased demands resulting from climate change.
12 White, C. J.; Tanton, T. W.; Rycroft, D. W.. 2014. The impact of climate change on the water resources of the Amu Darya Basin in Central Asia. Water Resources Management, 28(15):5267-5281. [doi: https://doi.org/10.1007/s11269-014-0716-x]
Water resources ; Climate change ; River basins ; Water availability ; Water demand ; Irrigated sites ; Models ; Forecasting ; Temperature ; Precipitation ; Seasonality ; Glaciers ; Runoff ; Meltwater ; Discharges / Central Asia / Amu Darya Basin
(Location: IWMI HQ Call no: e-copy only Record No: H047762)
(2.85 MB)
Central Asia is facing an unprecedented juxtaposition of regional climate- and water-related issues, emphasised by a changing climate. We investigate the potential impact of long-term climate change on the availability of water resources in the Amu Darya River, one of the two major rivers that feed the Aral Sea, and its effect on irrigation in the region. Using a water balance accounting model developed for the Amu Darya basin, we find that projected increases in summer temperatures of up to 5 °C by 2070–2099 under a high-emission scenario, combined with likely shifts in the seasonality of precipitation, would lead to an increase in crop water consumptive demand of between 10.6 and 16 % (or between 3.7 and 5.5 km3 y-1 ) relative to 1961–1990. By the end of the century, 34 to 49 % of the basin’s existing 3.4 million ha of irrigated land would go unirrigated in a 1:20 year drought. Runoff is also expected to decline by between 10 and 20 % on current levels, however contributions to river flows from unsustainable glacial retreat and snow-melt are likely to remain small. While the uncertainty surrounding the precipitation projections is high, the effect of increased temperatures on irrigation practices in the basin is more robust in the long-term.
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