Dr. Thomas Gaiser

• DAKIS: Digital Agricultural Knowledge and Information System (DAKIS) Innovative integration for landscape smart agriculture
• DETECT: Regional Climate Change: The Role of Land Use and Water Management (CRC 1502)
• SUSCAP: Developing resilience and tolerance of crop resource use efficiency to climate change and air pollution
• UPSCALERS: Upscaling Site-Specific Climate-smart Agriculture and Land use practices to Enhance Regional production Systems in West Africa
• New spatial field arrangements for sustainable agriculture: exploring crop diversification at landscape scale by considering soil heterogeneities (PhenoRob CP5.2 - New Field Arrangements )
• The Soil-Root Zone: Soil Dynamics and impacts of potential interventions (PhenoRob CP 3.5)
• Soil^3 – Sustainable Subsoil Management
• Agricultural Model Intercomparison and Improvement Project (AgMIP)
• Long-term fertilization experiment for field crops at Dikopshof

For a full list of peer-reviewed publications please go to my ORCID account.

For a full list of all publications please go to Google Scholar

Dong, J., Zeng, W., Lei, G., Wu, L., Chen, H., Wu, J., Huang, J., Gaiser, T., Srivastava, A.K., 2022. Simulation of dew point temperature in different time scales based on grasshopper algorithm optimized extreme gradient boosting. Journal of Hydrology 606, 127452.

Feng, Y., Nguyen, T.H., Alam, M.S., Emberson, L., Gaiser, T., Ewert, F., Frei, M., 2022. Identifying and modelling key physiological traits that confer tolerance or sensitivity to ozone in winter wheat. Environmental Pollution 304, 119251.

Koglo, Y.S., Gaiser, T., Sogbedji, J.M., Agyare, W.A., Diwediga, B., Neya, T., Bissadu, K.D., Houteta, D.K., 2022. Land use change matrix and slope gradient soil carbon assessment from forest to different cropping systems in Togo, West Africa. Environmental Sustainability.

Koné, I., Agyare, W.A., Gaiser, T., Owusu-Prempeh, N., Kouadio, K.-K.H., Kouadio, E.N., Amponsah, W., 2022. Local Cotton Farmers’ Perceptions of Climate Change Events and Adaptations Strategies in Cotton Basin of Cote d'Ivoire. Journal of Sustainable Development 15, 202.

Liu, Y., Zeng, W., Ao, C., Chen, M., Lei, G., Wu, J., Huang, J., Gaiser, T., Srivastava, A.K., 2022. Strategy of subsurface pipe drainage system to alleviate soil salinization based on the DRAINMOD model*. Irrigation and Drainage 71, 120-136.

Liu, Y., Zeng, W., Ao, C., Lei, G., Wu, J., Huang, J., Gaiser, T., Srivastava, A.K., 2022. Optimization of winter irrigation management for salinized farmland using a coupled model of soil water flow and crop growth. Agricultural Water Management 270, 107747.

Nguyen, T.H., Langensiepen, M., Gaiser, T., Webber, H., Ahrends, H., Hueging, H., Ewert, F., 2022. Responses of winter wheat and maize to varying soil moisture: From leaf to canopy. Agricultural and Forest Meteorology 314, 108803.

Nguyen, T.H., Langensiepen, M., Hueging, H., Gaiser, T., Seidel, S.J., Ewert, F., 2022. Expansion and evaluation of two coupled root–shoot models in simulating CO2 and H2O fluxes and growth of maize. Vadose Zone Journal n/a, e20181.

Raza, A., Ahrends, H., Habib-ur-Rahman, M., Hüging, H., Gaiser, T., 2022. Using the Taguchi experimental design for assessing within-field variability of surface run-off and soil erosion risk. Sci. Total Environ. 828, 154567.

Seidel, S.J., Gaiser, T., Srivastava, A.K., Leitner, D., Schmittmann, O., Athmann, M., Kautz, T., Guigue, J., Ewert, F., Schnepf, A., 2022. Simulating Root Growth as a Function of Soil Strength and Yield With a Field-Scale Crop Model Coupled With a 3D Architectural Root Model. Frontiers in Plant Science 13.

Srivastava, A.K., Safaei, N., Khaki, S., Lopez, G., Zeng, W., Ewert, F., Gaiser, T., Rahimi, J., 2022. Winter wheat yield prediction using convolutional neural networks from environmental and phenological data. Scientific Reports 12, 3215.

Wu, L., Zeng, W., Lei, G., Ma, T., Wu, J., Huang, J., Gaiser, T., Kumar Srivastava, A., 2022. Simulating root length density dynamics of sunflower in saline soils based on machine learning. Computers and Electronics in Agriculture 197, 106918.

Yasin, M., Ahmad, A., Khaliq, T., Habib-ur-Rahman, M., Niaz, S., Gaiser, T., Ghafoor, I., Hassan, H.S.u., Qasim, M., Hoogenboom, G., 2022. Climate change impact uncertainty assessment and adaptations for sustainable maize production using multi-crop and climate models. Environmental Science and Pollution Research 29, 18967-18988.

Adusei, G., Aidoo, M.K., Srivastava, A.K., Asibuo, J.Y., Gaiser, T., 2021. The Variability of Grain Yield of Some Cowpea Genotypes in Response to Phosphorus and Water Stress under Field Conditions. Agronomy 11, 28.

Ao, C., Zeng, W., Wu, L., Qian, L., Srivastava, A.K., Gaiser, T., 2021. Time-delayed machine learning models for estimating groundwater depth in the Hetao Irrigation District, China. Agricultural Water Management 255, 107032.

Dong, L., Zeng, W., Wu, L., Lei, G., Chen, H., Srivastava, A.K., Gaiser, T., 2021. Estimating the Pan Evaporation in Northwest China by Coupling CatBoost with Bat Algorithm. Water 13, 256.

Ghafoor, I., Habib-ur-Rahman, M., Ali, M., Afzal, M., Ahmed, W., Gaiser, T., Ghaffar, A., 2021. Slow-release nitrogen fertilizers enhance growth, yield, NUE in wheat crop and reduce nitrogen losses under an arid environment. Environmental Science and Pollution Research 28, 43528-43543.

Habib-ur-Rahman, M., Raza, A., Ahrends, H.E., Hüging, H., Gaiser, T., 2021. Impact of in-field soil heterogeneity on biomass and yield of winter triticale in an intensively cropped hummocky landscape under temperate climate conditions. Precision Agriculture.

Hadir, S., Gaiser, T., Hüging, H., Athmann, M., Pfarr, D., Kemper, R., Ewert, F., Seidel, S., 2021. Sugar Beet Shoot and Root Phenotypic Plasticity to Nitrogen, Phosphorus, Potassium and Lime Omission. Agriculture 11, 21.

Hussain, J., Khaliq, T., Rahman, M.H., Ullah, A., Ahmed, I., Srivastava, A., Gaiser, T., Ahmad, A., 2021. Effect of temperature on sowing dates of wheat under arid and semi-arid climatic regions and impact quantification through mechanistic modeling with evidence from field. Atmosphere 12(7), 927.

Liu, S., Zeng, W., Wu, L., Lei, G., Chen, H., Gaiser, T., Srivastava, A.K., 2021. Simulating the Leaf Area Index of Rice from Multispectral Images. Remote Sensing 13, 3663.

Liu, Y., Ao, C., Zeng, W., Kumar Srivastava, A., Gaiser, T., Wu, J., Huang, J., 2021. Simulating water and salt transport in subsurface pipe drainage systems with HYDRUS-2D. Journal of Hydrology 592, 125823.

Lopez, G., Gaiser, T., Ewert, F., Srivastava, A., 2021. Effects of Recent Climate Change on Maize Yield in Southwest Ecuador. Atmosphere 12, 299.

Nafi, E., Webber, H., Danso, I., Naab, J.B., Frei, M., Gaiser, T., 2021. Can reduced tillage buffer the future climate warming effects on maize yield in different soil types of West Africa? Soil and Tillage Research 205, 104767.

Ofori, S.A., Cobbina, S.J., Imoro, A.Z., Doke, D.A., Gaiser, T., 2021. Polycyclic Aromatic Hydrocarbon (PAH) Pollution and its Associated Human Health Risks in the Niger Delta Region of Nigeria: a Systematic Review. Environmental Processes 8, 455-482.

Raza, A., Ahrends, H., Habib-Ur-Rahman, M., Gaiser, T., 2021. Modeling Approaches to Assess Soil Erosion by Water at the Field Scale with Special Emphasis on Heterogeneity of Soils and Crops. Land 10, 422.

Seidel, S.J., Gaiser, T., Ahrends, H.E., Hüging, H., Siebert, S., Bauke, S.L., Gocke, M.I., Koch, M., Schweitzer, K., Schaaf, G., Ewert, F., 2021. Crop response to P fertilizer omission under a changing climate - Experimental and modeling results over 115 years of a long-term fertilizer experiment. Field Crops Research 268, 108174.

Wallach, D., Palosuo, T., Thorburn, P., Gourdain, E., Asseng, S., Basso, B., Buis, S., Crout, N., Dibari, C., Dumont, B., Ferrise, R., Gaiser, T., Garcia, C., Gayler, S., Ghahramani, A., Hochman, Z., Hoek, S., Hoogenboom, G., Horan, H., Huang, M., Jabloun, M., Jing, Q., Justes, E., Kersebaum, K.C., Klosterhalfen, A., Launay, M., Luo, Q., Maestrini, B., Mielenz, H., Moriondo, M., Nariman Zadeh, H., Olesen, J.E., Poyda, A., Priesack, E., Pullens, J.W.M., Qian, B., Schütze, N., Shelia, V., Souissi, A., Specka, X., Srivastava, A.K., Stella, T., Streck, T., Trombi, G., Wallor, E., Wang, J., Weber, T.K.D., Weihermüller, L., de Wit, A., Wöhling, T., Xiao, L., Zhao, C., Zhu, Y., Seidel, S.J., 2021. How well do crop modeling groups predict wheat phenology, given calibration data from the target population? European Journal of Agronomy 124, 126195.

Wallach, D., Palosuo, T., Thorburn, P., Hochman, Z., Andrianasolo, F., Asseng, S., Basso, B., Buis, S., Crout, N., Dumont, B., Ferrise, R., Gaiser, T., Gayler, S., Hiremath, S., Hoek, S., Horan, H., Hoogenboom, G., Huang, M., Jabloun, M., Jansson, P.-E., Jing, Q., Justes, E., Kersebaum, K.C., Launay, M., Lewan, E., Luo, Q., Maestrini, B., Moriondo, M., Olesen, J.E., Padovan, G., Poyda, A., Priesack, E., Pullens, J.W.M., Qian, B., Schütze, N., Shelia, V., Souissi, A., Specka, X., Kumar Srivastava, A., Stella, T., Streck, T., Trombi, G., Wallor, E., Wang, J., Weber, T.K.D., Weihermüller, L., de Wit, A., Wöhling, T., Xiao, L., Zhao, C., Zhu, Y., Seidel, S.J., 2021. Multi-model evaluation of phenology prediction for wheat in Australia. Agricultural and Forest Meteorology 298-299, 108289.

Wallach, D., Palosuo, T., Thorburn, P., Hochman, Z., Gourdain, E., Andrianasolo, F., Asseng, S., Basso, B., Buis, S., Crout, N., Dibari, C., Dumont, B., Ferrise, R., Gaiser, T., Garcia, C., Gayler, S., Ghahramani, A., Hiremath, S., Hoek, S., Horan, H., Hoogenboom, G., Huang, M., Jabloun, M., Jansson, P.-E., Jing, Q., Justes, E., Kersebaum, K.C., Klosterhalfen, A., Launay, M., Lewan, E., Luo, Q., Maestrini, B., Mielenz, H., Moriondo, M., Nariman Zadeh, H., Padovan, G., Olesen, J.E., Poyda, A., Priesack, E., Pullens, J.W.M., Qian, B., Schütze, N., Shelia, V., Souissi, A., Specka, X., Srivastava, A.K., Stella, T., Streck, T., Trombi, G., Wallor, E., Wang, J., Weber, T.K.D., Weihermüller, L., de Wit, A., Wöhling, T., Xiao, L., Zhao, C., Zhu, Y., Seidel, S.J., 2021. The chaos in calibrating crop models: lessons learned from a multi-model calibration exercise. Environmental Modelling & Software, 105206.

Mouratiadou, I., Stella, T., Gaiser, T., Wicke, B., Nendel, C., Ewert, F., van der Hilst, F., 2020. Sustainable intensification of crop residue exploitation for bioenergy: Opportunities and challenges. GCB Bioenergy 12, 71-89. https://doi.org/10.1111/gcbb.12649

Tewes, A., Hoffmann, H., Krauss, G., Schafer, F., Kerkhoff, C., Gaiser, T., 2020. New Approaches for the Assimilation of LAI Measurements into a Crop Model Ensemble to Improve Wheat Biomass Estimations. Agronomy-Basel 10, 21. https://doi.org/10.3390/agronomy10030446

Tewes, A., Hoffmann, H., Nolte, M., Krauss, G., Schäfer, F., Kerkhoff, C., Gaiser, T., 2020. How Do Methods Assimilating Sentinel-2-Derived LAI Combined with Two Different Sources of Soil Input Data Affect the Crop Model-Based Estimation of Wheat Biomass at Sub-Field Level? Remote Sensing 12, 925. https://doi.org/10.3390/rs12060925

Kuhn, T., Enders, A., Gaiser, T., Schäfer, D., Srivastava, A.K., Britz, W.,  (2019): Coupling crop and bio-economic farm modelling to evaluate the revised fertilization regulations in Germany. Agricultural Systems, doi:10.1016/j.agsy.2019.102687.

Maharjan, G.R., H. Hoffmann, H. Webber, A.K. Srivastava, L. Weihermüller, A. Villa, E. Coucheny, E. Lewan, G. Trombi, M. Moriondo, M. Bindi, B. Grosz, R. Dechow, M. Kuhnert, L. Dohro, K.C. Kersebaum, T. Stella, X. Specka, C. Nendel, J. Constantin, H. Raynak, F. Ewert, T. Gaiser, 2019. Effects of input data aggregation on simulated crop yields in temperate and Mediterranean climates. European Journal of Agronomy 103, 32-46. https://doi.org/10.1016/j.eja.2018.11.001.

Stella, T., Mouratiadou, I., Gaiser, T., Berg-Mohnicke, M., Wallor, E., Ewert, F., Nendel, C., 2019. Estimating the contribution of crop residues to soil organic carbon conservation. Environmental Research Letters 14, 12.

Webber, H., Ewert, F., Olesen, J.E., Muller, C., Fronzek, S., Ruane, A.C., Bourgault, M., Martre, P., Ababaei, B., Bindi, M., Ferrise, R., Finger, R., Fodor, N., Gabaldon-Leal, C., Gaiser, T., Jabloun, M., Kersebaum, K.C., Lizaso, J.I., Lorite, I.J., Manceau, L., Moriondo, M., Nendel, C., Rodriguez, A., Ruiz-Ramos, M., Semenov, M.A., Siebert, S., Stella, T., Stratonovitch, P., Trombi, G., Wallach, D., 2018. Diverging importance of drought stress for maize and winter wheat in Europe. Nature Communications 9, 10.

Ahrends, H.E., Eugster, W., Gaiser, T., Rueda-Ayala, V., Huging, H., Ewert, F., Siebert, S., 2018. Genetic yield gains of winter wheat in Germany over more than 100 years (1895-2007) under contrasting fertilizer applications. Environmental Research Letters 13, 11.

Faye, B., H. Webber, J. Naab, D.S. MacCarthy, M. Adam, F. Ewert, J.P. Lamers, C.-F. Schleussner, A.C. Ruane, U. Gessner, G. Hoogenboom, K. Boote, V. Shelia, F. Saeed, D. Wisser, S. Hadir, P. Laux, T. Gaiser, 2018. Impacts of 1.5 versus 2.0° C on cereal yields in the West African Sudan Savanna. Environmental Research Letters 13. DOI: 10.1088/1748-9326/aaab40.

Faye, B., H. Webber, M. Diop, M. Mbaye, Owusu-Sekyere, J.D., Naab, J.B., T. Gaiser, 2018. Potential impact of climate change on peanut yield in Senegal, West Africa. Field Crops Research 219, 148-159. DOI: 10.1016/j.fcr.2018.01.034.

Tao, F.L., R.P. Rötter, T. Palosuo, C.G.H. Diaz-Ambrona, M.I. Minguez, M.A. Semenov, K.C. Kersebaum, C. Nendel, D. Cammarano, H. Hoffmann, F. Ewert, A. Dambreville, P. Martre, L. Rodriguez, M. Ruiz-Ramos, T. Gaiser, J.G. Hohn, T. Salo, R. Ferrise, M. Bindi, A.H. Schulman, 2017. Designing future barley ideotypes using a crop model ensemble. European Journal of Agronomy 82, 144-162. DOI:10.1016/j.eja.2016.10.012.

Gabaldón-Leal, C., H. Webber, M.E. Otegui, G.A. Slafer, R.A. Ordóñez, T. Gaiser, I.J. Lorite, M. Ruiz-Ramos, F. Ewert, 2016. Modelling the impact of heat stress on maize yield formation. Field Crops Research 198, 226-237. DOI:10.1016/j.fcr.2016.08.013.

Folberth, C., H. Yang, T. Gaiser, K. C. Abbaspour, and R. Schulin. 2013. Modeling maize yield responses to improvement in nutrient, water and cultivar inputs in sub-Saharan Africa. Agricultural Systems 119:22-34.

Gaiser, T. Perkons, U., Küpper, P.M., Kautz, T., Uteau-Puschmann, D., Ewert, F., Enders, A., Krauss, G. (2013): Modeling biopore effects on root growth and biomass production on soils with pronounced sub-soil clay accumulation. Ecol. Model. 256:6-15.

Srivastava, A., Gaiser , T., Ewert, F., Cornet, D. (2012): Estimation of effective fallow availability for the prediction of yam productivity at the regional scale using multiple scenario analysis. Field Crops Research 131, 32-39.

Gaiser, T., Judex, M., Igue, A.M., Paeth, H., Hiepe, C. (2011): Future productivity of fallow systems in Sub-Saharan Africa: Is the effect of demographic pressure and fallow reduction more significant than climate change? Agricultural and Forest Meteorology, 151:1120-1130 (DOI: 10.1016/j.agrformet.2011.03.015).