Researcher, Bioforsk - Soil and Environment Division. The Netherlands, born 1951, married.

Transkript

1 CURRICULUM VITAE: Johannes Deelstra Present position: Nationality, age and civil status: Education: Languages: Professional societies: Study, training. Countries worked in: Researcher, Bioforsk - Soil and Environment Division. The Netherlands, born 1951, married. 1978, M.Sc. in Irrigation and Drainage, Agricultural University, Wageningen, The Netherlands. Faculty of Tropical Engineering, majoring in crop water requirements, agricultural crop water management practices and agricultural economics. Dutch (mother tongue), Norwegian, English (fluent), Spanish, German (fair), Arabic, French, Kiswahili (knowledge). Board member Norwegian Hydrologic Council (NHC), Member of Royal Netherlands Society for Agricultural Sciences (KLV), Norwegian Society og Soil Science (NKJ), Nordic Society of Soil Sciences (NJF), International Association of Hydrological Sciences (IAHS) Simulating water and nutrient transport, The Netherlands. Water and matter transport, Belgium. C -programming course, Norway. Course in simulating water, heat, carbon and nitrogen dynamics in agriculture and forest ecosystems, Sweden. Mathematics course, Agricultural University, Norway. Training course Soil and Water Assessment Tool (SWAT), Zürich, Switzerland. Colombia, The Netherlands, Kenya, Egypt, Eritrea, Mozambique, Sudan, Tanzania, Latvia, Estonia, Lithuania, Russia, Guatemala, Nicaragua. KEY QUALIFICATIONS Agrohydrology Hydrology, hydrometry, discharge measurement. Water flow in saturated- and unsaturated soils, soil physics, crop water requirements, irrigation/drainage design. Agriculture/ Monitoring and assessment of nutrient- and soil losses. Watershed environment management planning. Soil and water conservation. Irrigation/soil salinity control. Erosion control. EXPERIENCE present Bioforsk - Soil and Environment Division. Environmental monitoring in Norway, Baltic countries and Russia. Responsible for monitoring and assessment of nutrient losses from agriculture, system design. Agro-hydrology, nutrient runoff, erosion, modelling. Agriculture/environment projects in Africa and Central America. Water requierements. Soil and water conservation Pilot Areas and Drainage Technology, Drainage Research Institute, Egypt. Teamleader. Water management, crop water requirements, soil salinity and subsurface drainage design. Training FAO/UNDP Turkana Irrigation Project, Kenya. Junior Expert. Design, operation and management of small-scale irrigation systems. Crop water requirements. Training. SHORT TERM ASSIGNMENTS: 2002 Soil and Water Conservation Study, Southern Watershed, Managua, Nicaragua Working group Norwegian Water Balance, preparation research programme (NHC) Environmental Impact Assessment, UNDP-Project, Cuchumatanes, Guatemala ADRA-Norway; Feasibility study, irrigation project, Sudan NORAD-Norway; Project preperation, soil and water conservation, MOA, Eritrea NCA-Norway; Feasibility study, soil and water conservation, Eritrea. 1

2 1990 FAO; Expert meeting, Water and sustainable agricultural development, Rome Care-Norway; Feasibility study, agricultural development, Mozambique Redd Barna, Norway; Consultancy, Soil and water conservation, Eritrea Sub-Saharan Water Harvesting Project; World Bank meeting, Oslo Researcher, Institute for Hydrotechnics, Agricultural University, Norway ILRI, The Netherlands, research officer INCORA, Colombia, research officer. Publications Deelstra, J. and J. Kolijn, Root development of a wheat crop on a silty soil. Newsletter, Nitrogen from the Mountains to the Fjords 2-94, Desember. Deelstra, J, Measurement of runoff, nutrient loss and erosion from agricultural catchments. Proceedings, NorFA seminar NforFA seminar, Jelgova, Latvia, Nov Deelstra, J., W. Standring, and T. Tajet, Different sampling strategies used to estimate nitrogen transport from catchments. Newsletter, Nitrogen from the Mountains to the Fjords 2-94, December. Deelstra, J.,B. Langøien, and R. Sørensen, Catchment geology and its influence on the water balance; a study in five small catchments in the Auli-watershed. Newsletter, Nitrogen from the Mountains to the Fjords 2-94, December. Deelstra, J. and L. Øygarden, Event studies of runoff and nutrient losses of catchments of different scales. Proceedings NJF seminar no. 247: Agrohydrology and nutrient balances, Oct NJF seminar 247. Deelstra, J, Sampling routines in agricultural catchments. European Society for Soil Conservation Newsletter 1+2. Deelstra, J. and H.O. Eggestad, Runoff, nitrogen loss and scale aspects on agricultural lands in Southern Norway. In: Scenario Studies for the Rural Environment, eds. Job. F. Schouten et al. Kluwers Academic Publishers. Deelstra, J, Jordbruk i ørkenområdet. Store grunnvannsressurser i Sudan. Jordforsk-nytt 2-13.(In Norwegian) Deelstra, J, Gjenoppbygging av jordbruket i Eritrea. Jordforsk nytt 2:13. (In Norwegian) Njøs, A og J. Deelstra, Vann og landbruksnæring. Norsk hydrologiråd-rapport 1:96. (In Norwegian) Njøs, A. og J. Deelstra, Vann og Landbruksnæring. Vann og Verdiskapning Rapport 1-96, Norsk Hydrologiråd. (In Norwegian) Deelstra, J. and N. Vagstad, Discharge Measurement, Sampling Techniques And Their Influence On Calculated Soil And Phosphorous Loss From Agricultural Areas. In Kronvang, B., L.M. Svendsen and E. Sibbesen (Eds); Sediment and Phosphorous. Erosion and delivery, transport and fate of sediments and sediment-associated nutrients in watersheds. Proceedings from an international workshop in Silkeborg, NERI Technical Neri technical report No. 178: Deelstra, J, Calibration of the Soil model on collected data from field experiments. Proceedings of the Baltic States Hydrology Conference, Kaunas, Lithuania 5pp. Gupta, K.K., J.Deelstra and K.D.Sharma, Estimation of water harvesting potential for a semiarid area using GIS and remote sensing. In: Remote Sensing and Geographic Information Systems for Design and Operation of Water Resources Systems. (Proceedings of Rabat Symposium S3. April 1997). IAHS Publ. no 242, Deelstra, J. and A. Njøs, Limitations for world food production. Jordforsk News 6(1): Deelstra, J. and L. Øygarden, Measurement of runoff. In: Øygarden, L. and P. Botterweg 1998 (eds.). Measuring runoff and nutrient losses from agricultural land in Nordic countries. Tema Nord 1998: 575, Nordic Council of Ministers, Copenhagen Pp Deelstra, J., N. Vagstad and L. Øygarden, Sampling technique and strategy. In: Øygarden, L. and P. Botterweg 1998 (eds.). Measuring runoff and nutrient losses from agricultural land in Nordic countries. Tema Nord 1998: 575, Nordic Council of Ministers, Copenhagen Pp Deelstra, J., N. Vagstad, E. Loigu, A. Vasilyev and V. Jansons, Interactions between hydrology and nutrient runoff in small agricultural catchments. A comparitive study of Estonian, Latvian and Norwegian catchments. XX Nordic Hydrologic Conference Volume 1: Jansons, V., E. Loigu, M. Butina, N. Vagstad, J. Deelstra and A. Njøs, Nitrogen and Phospho- 2

3 rous runoff from agricultural areas in Estonia and Latvia. In: Abstracts from The Gulf of Riga Project Symphosium in Jürmala, May 10-15, 1998 Vagstad, N., E. Loigu, V. Jansons, J. Deelstra and A. Njøs, The agricultural contribution to nutrient loads in Gulf of Riga drainage basin. In: Abstracts from The Gulf of Riga Project Symphosium in Jürmala, May 10-15, 1998 Ludvigsen, G.H., J. Deelstra and C.E. Amundsen, JOVÅ - The agricultural environmental monitoring programme in Norway. In: Øygarden, L. and P. Botterweg 1998 (eds.). Measuring runoff and nutrient losses from agricultural land in Nordic countries. Tema Nord 1998: 575, Nordic Council of Ministers, Copenhagen Pp Vagstad, N. and J. Deelstra, Environmental Monitoring in Agriculture. Jordforsk News 6(1): 8-9. Jansons, V., N. Vagstad, and J. Deelstra, Nutrient losses from agricultural areas in Latvia. In: Turner, S and D. Alford (eds): Agriculture and Environment. Challenges and Conflicts for New Millenium. Proceedings of ADAS conference April University of Warwick Vagstad, N., V. Jansons, E. Loigu and J. Deelstra, Nutrient losses from agricultural areas in the Gulf of Riga drainage basin. Ecological Engineering 14, Vagstad, N. and J. Deelstra, Quantification, control and management of diffuse nutrient losses from agriculture.in:sepold, M (eds) Environmental Impact and Water Management in a catchment area perspective. Proceedings - 40 year anniversary of Institute of Environmental Engineering. Tallinn Technical University Vagstad, N., P. Stalnacke, H.E. Andersen, J. Deelstra, A. Gustavson, A. Ital, V. Jansons, K. Kyllmar, E. Loigu, S. Rekolainen and J. Vouorenmaa, Nutrient Losses from Agriculture in The Nordic and Baltic Countries. Nordic Council of Ministers. TemaNord 2001: s. Deelstra, J., M. Bechmann, SOIL and SOILN_NO at catchment scale: a case study of an agriculture dominated catchment. IAHS Publication no Deelstra, J., M. Bechmann and S.H. Kværnø, SOIL and SOIL-NO at a catchment scale - a case study for an agriculture-dominated catchment. Water. Sci. Tec Vagstad, N., J.Deelstra, V.Jansons and E.Loigu, Baltic agriculture in transition-the contribution to nutrient loads in the Gulf of Riga drainage basin. IAHS Publication no Deelstra, J. and H. French, Vannets veier. Jordforsk Nytt 1/03: Kværnø, S.H., L. Øygarden, J. Deelstra and R.M. Skjevdal, Snowmelt infiltration, runoff and erosion under unstable winter conditions. Proceedings of the NJFs 22nd Congress Nordic Agriculture in Global Perspective, July 1-4, 2003, Turku, Finland. p Øygarden, L., J. Deelstra, H.O. Eggestad and S.M. Vandsemb., Erosion and Sediment - Sediment transport in agricultural catchment - the need for methods to trace sediment sources. IAHS Publication 283, 2003: Bechmann, M., J. Deelstra, A. Iital and V. Jansons, Risk assessment of phosphorus loss from agriculture in the Nordic and Baltic countries using the P index approach. XXIII Nordic hydrological conference, NHP report 48 (I): Deelstra, J., Vann kan strømme i frossen jord. Jordforsk Nytt 1/04: Deelstra, J. og S.H. Kværnø, Stor variasjon i jordtemperatur og infiltrasjonsevne i et nedbørfelt. Jordforsk Nytt 1/04: Deelstra, J., K. Abramenko, N. Vagstad, V. Jansons, R. Sudars and I. Dzalbe, Hydrological pathways, scale issues and nitrogen runoff - a case study in a Latvian catchment. XXIII Nordic Hydrological Conference, Proceedings No. 48: NHP Report No. 48, Tartu, Editor: Arvo Järvet. Deelstra, J., S.H. Kværnø, H.O. Eggestad and L. Øgarden, Winter, runoff and nutrient losses in an agricultural dominated catchment in Norway. Nutrient management - European Experiences and Perspectives. Proceedings EWA Conferences, September 2004, Amsterdam EWA ISBN : Deelstra, J., S.Vandsemb, H.O. Eggestad, M. Bechmann and N. Vagstad, Monitoring and assessment of non-point source pollution in Norway. Proceedings National Water QualityMonitoring Conference, Chattanooga, conference/2004/conference_agenda_links/papers/003_deelstra_johannes.pdf. Deelstra, J., Vagstad, N., Loigu, E., Iital, A., Jansons, V., Abramenko, K. and A.S. Sileika., The 3

4 GEF-Baltic Sea regional project - monitoring and assessment of non-point source pollution. XXIII Nordic Hydrological Conference, Proceedings. No. 48: NHP Report No. 48, Tartu Editor: Arvo Järvet. Deelstra, J.N. Vagstad, E. Loigu, A. Iital, V. Jansons, K. Abramenko, K., and A.S. Sileika, Monitoring and assessment of non-point source pollution - appraoches in the GEF - Baltic Sea Regional project. Monitoring Tailor Made - Informatiom to support sustainable water management: From local to global levels. MTM IV: ISBN Ital, A., Deelstra, J. Stålnacke, P., Loigu, E. and M. Pihlak., Retention of nitrate in groundwater. The case of Lake Peipsi basin, Estonia. XXIII Nordic Hydrological Conference. Proceedings No. 48: NHP Report No. 48 Tartu, Editor: Arvo Järvet. Vagstad, N., P. Stålnacke, H-E. Andersen, J. Deelstra, V. Janssons, K. Kyllmar, E. Loigu, S. Rekolainen and R. Tumas, Regional variations in diffuse nitrogen losses from agriculture in the Nordic and Baltic regions. Hydrolgi and Earth System Sciences 8(4): Deelstra, J., Øygarden, L., Eggestad, H.O., Bechmann, M. and G.H.Ludvigsen, Klimaendringer - endret avrenning fra jordbruksarealer - effekt på forurensning. Vann Nr. 1, årgang: Iital, A., P. Stålnacke, J. Deelstra, E. Loigu and M. Pihlak, Effects of large-scale changes in emissions on nutrient concentrations in Estonian rivers in the Lake Peipsi drainage basin. Journal of Hydrolgy 304 (2005) Kværnø, S.H., H.O. Eggestad, M. Bechmann, J. Deelstra and Anne-Grete B. Blankenberg, The Nitrogen Index - a tool to reduce nitrogen losses from farm fields. Proceedings from NJF seminar no Is living water possible in agricultural areas? Kværnø, S.H., L. Øygarden og J. Deelstra, Hvordan påvirkes jordas stabilitet og infiltrasjonsevne av ustabilt vintervær? Betydning for avrenning og erosjon fra jordbruksarealer. Grønn kunnskap 9(2): Ludvigsen, G.H. & J. Deelstra, Klimaendringene påvirker jordbruket. Kronikk Nationen 8.februar Stålnacke, P. og J. Deelstra, Grenseoverskridene nedbørfelt - borglemt i Eus rammedirektiv for vann? NIVA årbok Presentations Deelstra, J. Discharge measuremeant systems. Ås, Norway. Okt. 1-2, Deelstra, J. and N. Vagstad. Discharge measurement, sampling techniques and their influence on calculated soil loss from agricultural areas. Erosion and sediment yield: Global and regional perspectives. University of Exeter, Devon, UK, July 15-19, Deelstra, J., and N. Vagstad. Discharge measurement, sampling techniqural areas. University of Exeter, Devon, UK, July 15-19, Deelstra, J. Calibration of a one-dimensional model for the simulation of water transport in the unsaturated zone. 21. januar Deelstra, J. Runoff analysis on small agricultural catchments in Norway, Latvia and Estonia. Voksenåsen, Oslo, Nov , Deelstra, J. Calibration of a one-dimensional model for simulating water transport in the unsaturated zone. Vienna, Austria, Apr l, Deelstra, J. Calibration of the Soil model on collected data from field experiments. Kaunas, Lithuania, May 22-24, Deelstra, J. Discharge measurement and water sampling methods in environmental monitoring systems. Kaunas, Lithuania, May 22-24, Deelstra, J., N.Vagstad og L.E. Haugen. The effect of forest on runoff from small agricultural catchments (foredrag og poster). Oslo, mars Deelstra, J., N.Vagstad og M. Bechman. Når jord og vann møtes. Ås, 30. november (In Norwegian) Solbakken, E., O. Klakegg, O.M. Eklo og J. Deelstra. Digital soil database. An important tool for risk assessment. Ås, June 28.-July 1, Deelstra, J. Measurement systems in Environmental Monitoring. Ås, 25 mai., Deelstra, J. og S. Vandsemb. Avrenning og næringstofftap fra jordbruksarealer ved ekstreme klimaforhold i høstperioder. Resultater fra JOVÅ programmet høsten januar 2002, NVE, Oslo.(In 4

5 Norwegian) Bechmann, M. and J. Deelstra. SOIL and SOILN_NO at catchment scale - a case study for an agricultural dominated catchment. The Netherlands, Oct. 1-4, Deelstra, J. og N. Vagstad. Monitoring systems in the Environmental Monitoring Programme in Estonia, Latvia, Lithuania, Kaliningrad. Hapsalu, Estland, May 21-22, Deelstra, J. Jordbruk og helse. SFT, Oslo, 9.nov (In Norwegian) Deelstra, J., M. Bechmann og S.H. Kværnø. Soil and SoilN_NO at catchment scale - A case study for an agricultural dominated catchment. Milwaukee(WI), USA, June, 10-15, Deelstra, J. Bruk av SOIL/SOILN_NO i nedbørsfeltskala. Erfaringer, utvikling og hva no. 16 januar Jordforsk, 2002 (In Norwegian) Deelstra, J., S.H. Kværnø og L.E. Haugen. SEASONAL FROZEN SOIL - temporal and spatial variability in hydrological and soil physical properties. Subproject 2: Infiltration processes at catchment scale during winter periods. Oslo, 28-30, Bechmann, M., J. Deelstra and H.O. Eggestad. Monitoring erosion and nutrient losses at catchment scale in Norway. Oslo, April 28-30, Deelstra, J., S.H. Kværnø, L. Øygarden og P.I. Våje. Seasonal frozen soils, Subproject 1; Hydrological processes in small catchments during snowmelt and freeze/thaw periods. Oslo, mars Deelstra, J. Irrigasjon, produksjonsfaktor og globalt problem. Bolkesjø Hotel - Telemark, mars 2002 og april Kværnø, S.H. og J. Deelstra. Spatial variability in soil hydraulic properties of a silty clay loam in South-eastern Norway. Bangkok, Thailand, August Deelstra, J. Avrenning fra Skuterudfeltet. Noen resultater fra JOVA-programmet. Årsmøte med fagmøte 2003, Nordiske Jordbruksforskeres Forening, norsk avdeling, Ås, 21 mai Deelstra, J. Forskningsaktiviteter på Rustad gård. Årsmøte med fagmøte 2003, Nordiske Jordbruksforskeres Forening, norsk avdeling, Ås, 21. May Deelstra, J., N. Vagstad, E. Loigu, A. Iital, V. Jansons, K. Abramenko and S.A. Sileika. Monitoring and assessment of non point source pollution approaches in the GEF Baltic Sea Regional Project. Conference, Monitoring Tailor Made - IV, The Netherlands, Sept , Kværnø, S.H., L. Øygarden, J. Deelstra og R.M. Skjevdal. Snowmelt infiltration, runoff and erosion under unstable winter conditions. The NJFs 22nd Congress Nordic Agriculture in Global Perspective, Turku, Finland, July 1-4, Bechmann, M., J. Deelstra, A. Iital and V. Jansons. Risk Assessment of Phosphorus Loss from Agriculture in the Nordic and Baltic Countries using the P Index Approach. The XXIII Nordic Hydrological Conference on Fresh Water Resources Management, Tallinn, Estonia, 8-12 August Deelstra, J. Irrigation and drainage - agrohydrology. Inner Mongolia Lake Restoration Project. Fagtreff NIVA: Inner Mongolia Lake Restoration Project, NIVA, 15. juni Deelstra, J. Monitoring and assessment of non-point source pollution in Norway. National Monitoring Conference: Building and Sustaining Successful Monitoring Programs, Chattenooga, USA, May 17-20, Deelstra, J. The monitoring station - an introduction. Baltic Sea Regional Project. Training Course in Environmental Monitoring of Agricultural Dominated Catchments, Ås, Jordforsk, June 16-18, Deelstra, J. Discharge measurement - systems, accuracy, operation and maintenance. Baltic Sea Regional Project Training Course in Environmental Monitoring of Agricultural Dominated Catchments, Ås, Jordforsk, June 16-18, Deelstra, J. Water sampling - systems, accuracy, operation and maintenance. Baltic Sea Regional Project Training Course in Environmental Monitoring of Agricultural Dominated Catchments, Ås, Jordforsk, June 16-18, Deelstra, J. The Skuterud monitoring station. Baltic Sea Regional Project Training Course in Environmental Monitoring of Agricultural Dominated Catchments, Ås, Jordforsk, June 16-18, Deelstra, J. Quantifying the environmental impacts of agriculture, a key issue for sustainable development - the need to quantify nutrient losses. Workshop, Agro-Environmental Cooperation between European Organizations, CATIE and Other Institutions in Tropical Latin America, Experiences and Opportunities, Norwegian Crop Research Institue, Ås, Sept , Deelstra, J. Nutrient losses from agriculture in the Nordic-Baltic countries. Seminar: Agricultrure and Environment in the Leningrad Oblast, Pushkin, Leningrad Oblast, Nov. 10,

6 Deelstra, J., K. Abramenko, N. Vagstad, V. Jansons, R. Sudars and I. Dzalbe. Hydrological pathways, scale issues and nitrogen runoff - a case study in a latvian catchment. Nordic Hydrological Conference, Tallinn, Estonia, Aug. 8-12, Deelstra, J., M. Bechmann, M. and L. Øygarden. Klimaendringer - endret avrenning fra jordbruksareal - effekter på forurensning. Norsk Vannforening. Klimaendringers virkning på både hydrologi og vannkvalitetsparametre sammenhengen mellom hydrologi og vannkvalitet i et nytt klimaregime., NVE, 22. nov Deelstra, J., N. Vagstad, E. Loigu, A. Iital, V. Jansons, K. Abramenko and A.S. Sileika. The GEF- Baltic Sea regional project - monitoring and assessment of non-point source pollution. NHC Conference, Tallinn Estonia, Aug.8-12, Eggestad, H.O., J. Deelstra and S.M. Vandsemb. Data control and reporting routines practical exercises using data from Latvia, Estonia and Lithuania. Baltic sea regional project training course in environmental monitoring of agricultural dominated catchment. Arr.: Jordforsk, Ås, Jordforsk, June 16-18, Deelstra, J. and A-G. Buseth Blankenberg. Retention processes in the Skuterud catchment. Are there any? How to measure? Water Quality Assessment in Small Agricultural Catchments. WASAC - meeting, Hamar, Norway, 9-11 March Deelstra, J. Catchment modelling, experiences in Norway. Seminar; Environmental modelling - focus on nutrient dynamics and hydrology., Saint-Petersburg, Pushkin, 16 June Deelstra, J., K. Abramenko, N. Vagstad, V. Jansons. Scale issues, hydrological pathways, and nitrogen runoff from agriculture. Results from the Mellupite catchment, Latvia. 3rd International SWAT Conference, Zurich, Switzerland. July 13-15, 2005, Zurich, Switzerland. July 13-15, H.O. Eggestad, S.H. Kværnø, M. Bechmann, J. Deelstra og A.G.B. Blankenberg. Nitrogenindeks - verktøy for vurdering av risiko for nitrogentap. PROFO sluttkonferanse, Gardermoen, november 2005 Kværnø, S.H., L. Øygarden og J. Deelstra. Hvordan påvirkes jordas stabilitet og infiltrasjonsevne av ustabilt vintervær? Betydning for avrenning og erosjon fra jordbruksarealer. Plantemøtet Østlandet 2005, Sarpsborg, februar Kværnø, S.H., H.O. Eggestad, M. Bechmann, J. Deelstra og A.G.B. Blankenberg. Nitrogenindeks. INTRA Workshop: Integrert verktøy for miljøforvaltning i jordbruket - INTRA, Ås, 13. desember Reports Vagstad, N.H., Deelstra, J., Water management plan for the Åros watershed, sector agriculture. Economic cost analysis of environmental action plan. Åstebøl, S.O., Vagstad, N.H., Deelstra, J Environmental management plan for agriculture. Subreport in National North Sea Plan. Åstebøl, S.O., Vagstad, N.H., Deelstra, J Environmental management plan for agriculture in the province of Vestfold. Eggestad, H.O., Vagstad, N., Tajet, T. og J. Deelstra Stofftransport og prøvetaking i nedbørfelter. Stikkprøver sammenlignet med vannføringsproporsjonale blandprøver. Jordforsk rapport 14/94. Deelstra, J. og T. R. Høyås Måling av avrenning av stofftap fra nedbørsfelter. Jordforsk rapport 68/94. Deelstra, J. og T. R. Høyås Måling av avrenning og stofftap fra nedbørsfelter. Rapport 3. Jordforsk rapport 69/94. Deelstra, J. og T. R. Høyås Måling av avrenning og stofftap fra nedbørsfelter. Rapport 4. Jordforsk rapport 70/94. Deelstra, J. og T. R. Høyås Måling av avrenning og stofftap fra nedbørsfelter. Rapport 5. Jordforsk rapport 86/94. Deelstra, J Måling av avrenning og stofftap fra nedbørsfelter. Rapport 1. Jordforsk rapport 89/94. Deelstra, J Water use in arid and semi arid regions in Africa, with main focus on Egypt and and the Nile. Jordforsk rapport 98/94. Deelstra, J Environmental monitoring and - engineering. Current activities at JORDFORSK. Jordforsk rapport 11/95. 6

7 Deelstra J., L. Øygarden og H.O. Eggestad Evaluation of the WEPP - profile model. Jordforsk rapport 39/96. Glaesel, J., D. Castañón, S. Stewart, G. Zepeda, E. Whist, C. Day and J. Deelstra, Proyecto dedesarollo Rural de la Sierra de los Cuchumatanes. Norwegian Forestry Group/ApesaGua Estudio de Impacto Ambiental Int/91/R 122 Bechmann, M., N. Vagstad, P. Stålnacke, H.O. Eggestad og J. Deelstra Rapport fra overvåkingen av næringsstoffer i Jordforsk rapport 79/98. Deelstra, J Foro Dam and Canal Rehabilitation Project. Jordforsk rapport 92/99. Deelstra, J. and M. Bechmann Application of soil and soiln_no at catchment scale - a case study for the Skuterud catchment. Jordforsk rapport 90/99. Eggestad, H.O., M. Bechmann, P. Stålnacke og J. Deelstra Nitrogenavrenning fra fire felt på Østlandet. En analyse av sammenhenger mellom N-tap og ulike drifts- og naturgitte variabler. Jordforsk rapport 80/99. Kløve, B., N. Vagstad og J. Deelstra Hydrologiske karakteristika av jordbruksdominerte nedbørsfelt - analyse av fire JOVÅ-felt. Jordforsk rapport 46/99. Våje, P.I., J. Deelstra og C.E. Amundsen Jordsmonnovervåking i Norge. Skuterudbekken - resultater til og med 1998/99. Jordforsk rapport 86/99. Bechmann, M., J. Deelstra, H.O. Eggestad, B. Kløve, P. Stålnacke, S. Vandsemb og L. Øygarden Erosjon og næringsstoffavrenning fra jordbruksarealer. Resultater fra program for Jordsmonnovervåking 1999/00. Jordforsk rapport 106/00. Kløve, B. og J. Deelstra Hydrological characteristics of four agricultural catchments in relation to nutrient and suspended solids load. Jordforsk rapport 107/00. Deelstra, J., M. Bechmann and S.H. Kværnø SOIL/SOILN_NO as a tool for assessing diffuse nitrogen losses at catchment scale. Jordforsk rapport 105/00. Bechmann, M., J. Deelstra, H.O. Eggestad, P. Stålnacke, S. Vandsemb, S. Kværnø og D. Berge Erosjon og næringsstofftap fra jordbruksarealer. Jordforsk rapport 100/01. Kværnø, S.H., Vandsemb, S.M., Deelstra, J., Bechmann, M. and H.O. Eggestad Effects of input data quality on simulated nitrogen losses. A case study with SOILNDB in the Mørdre catchment. Jordforsk rapport 92/01. Vagstad, N., J. Deelstra, E. Loigu, A. Iital, V. Janson and A.S. Sileika Monitoring and assessment of non-point source pollution. Baltic Sea Regional Project. Jordforsk rapport 36/01. Kværnø, S.H. And J. Deelstra Spatial variability in hydraulic conductivity and soil water content of a silty slay loam soil in the Skuterud catchment. Jordforsk rapport 62/02. Deelstra, J., Estudio de Agrohidrològia, Subcuenca III de la Cuenca Sur de Managua. Jordforskrapport 86/02. Deelstra, J., Agro-hydrological study of Sub-Basin III, Managua, Nicaragua. Jordforsk-rapport 87/02. Vandsemb, S., R.M. Skjevdal, L. Øygarden, M. Bechmann, H.O. Eggestad, P. Stålnacke og J. Deelstra, Erosjon og næringsstofftap fra jordbruksarealer. Resultatet fra program for Jordsmonnovervåking 2001/02. Jordforsk-rapport 85/02. Deelstra, J., A. Lital and E.Loigu, Retention of nitrate in groundwater.the case of Lake Peipsi basin - Estonia. Working report 4.2. July Mantra East. Deelstra, J., S.H. Kværnø, R. Skjevdal, S. Vandsemb, H.O. Eggestad og G.H. Ludvigsen, A general description of the Skuterud catchment. Jordforsk-rapport 61/05 Reports submitted to the Advisory Panel on Land Drainage Dayem, S.A., Deelstra, J. et al. 1984, 1985, Monitoring the performance of a drainage system with a modified layout and comparisosn with a conventional one. Technical reports 27, 30 and 49. Dayem, S.A., Deelstra, J. et al, Crop yield and soil salinity in tile-drained lands at the Mashtul Pilot Area. Technical report 51. Dayem, S.A., Deelstra, J., Ritzema, H.P. et al, Water management in rice fields under conventional and modified drainage concepts.. Terchnical reports 48 and 54. Dayem, S.A., Deelstra, J. et al., Drainage criteria study at the Mashtul Pilot Area. Part 1: Collector drain discharge and saliniity. Technical report 59. 7

8 Dayem, S.A., Deelstra, J. et al, Drainage criteria study at the Mashtul Pilot Area. Part 2: Irrigation. Technical report 59. Dayem, S.A., Deelstra, J. et al, Construction report of the Harrare Pilot Area. Technical report 56. Dayem, S.A., Deelstra, J. et al, Subsurface drainage in irrigated lands and its effect on soil and crops. Drainage Design and Management. Proceedings of the Fifth National Drainage Symposium, Dec , Chicago, Illinois, USA. Reports submitted to the UN Food and Agricultural Organisation (FAO) Deelstra, J Irrigation studies at the Katilu Irrigation Scheme carried out during the period Deelstra, J Flood protection at the Katilu Irrigation Scheme. 8