1. General Model Information

Name: Soil-plant system model

Acronym: DAISY


Main medium: terrestrial
Main subject: biogeochemistry,hydrology
Organization level: ecosystem
Type of model: compartment model, partial differential equations (finite differences,1D)
Main application:
Keywords: Crop growth, soil water dynamics, soil temperature, soil nitrogen dynamics, mineralization, nitrification, denitrification, leaching, management, Richards equation, convection-dispersion equation, heat conduction, sink terms, finite difference numerics, snow and frost effects on water dynamics, multiple fractions of organic matter.

Contact:

Soeren Hansen
The Royal Veterinary and Agricultural University
Department of Agricultural Sciences, Agrohydrology
Thorvaldsvej 40
DK-1871 Fredriksberg C
Denmark
Phone: +45 35 28 33 86
Fax : +45 35 28 33 84
Email: soeren.hansen@agsci.kvl.dk

Author(s):

H.Svendsen, S. Hansen, H.E. Jensen and N.E. NielsenThe Royal Veterinary and Agricultural University
Department of Agricultural Sciences, Agrohydrology
Thorvaldsvej 40
DK-1871 Fredriksberg C
Denmark
Phone: +45 35 28 33 86
Fax : +45 35 28 33 84

Abstract:

Model for the simulation of soil water and nitrogen dynamics in the crop-soil system. The main modules simulate: The model allows for the simulation of different management strategies and crop rotations.
Implementation: Daisy is executed in two steps:

II. Technical Information

II.1 Executables:

Operating System(s): DOS, numeric coprocessor required The following executables are available from the Authors upon request DOWNLOAD: see section V

II.2 Source-code:

Programming Language(s): C++

II.3 Manuals:

H.Svendsen, S. Hansen , H.E. Jensen and N.E. Nielsen 1993: Users Guide to the Daisy Simulation ModelThe Royal Veterinary and Agricultural University Department of Agricultural Sciences

II.4 Data:

examples of input files for many european agricultural crops and are available with the executables

III. Mathematical Information


III.1 Mathematics

This is a list of model equations sorted by their characteristics with hypertext links for more details.

III.2 Quantities

This is a list of model quantities sorted by their characteristics with hypertext links for more details.

III.2.1 Input

View Input data requirements of DAISY in comparison to other Soil Organic Matter models:
These seven tables can be downloaded in Postscript Format

III.2.2 Output

View output data of DAISY in comparison to other SOM - Models:

IV. References

Blicher-Mathiesen, G., Grant R., Jensen C., Nielsen H., 1990.
Landovervagningsoplande, Faglig rapport fra DMU, nr. 6.

Blicher-Mathiesen G., Nielsen H., Erlandsen M., Berg P., 1991.
Kvaelstofudvaskning og udbytte ved aendret landbrugspraksis, Modelberegninger med rodzonemodellen DAISY. Fraglig rapport fra DMU, nr. 27.

Hansen, S., Jensen, H.E., Nielsen, N.E., Svendsen, H., 1990. Daisy - A Soil Plant Atmosphere System Model.
NPO Research from the National Agency of Environmental Protection No. A 10. 272 pp.

Hansen, S., Jensen, H.E., Nielsen N.E. & Svendsen, H., 1991. Simulation of nitrobiomass production, nitrogen uptake and nitrogen leaching by using the Daisy model.
In: Soil and Groundwater Research Report II, Nitrate in Soils, Final report of contracts EV4V-0098-NL and EV4V-00107-C, Commission of the European Communities, 300-309.

Hansen, S., Jensen, H.E., Nielsen N.E. & Svendsen, H., 1991. Simulation of nitrogen dynamics and biomass production in winter wheat using the Danish simulation model Daisy.
Fertilizer Research 27: 245-259.

Hansen, S., Jensen, H.E., Nielsen N.E. & Svendsen, H., 1991. Simulation of nitrogen dynamics in the soil plant system using the Danish simulation model Daisy.
In: Hydrological Interactions Between Atmosphere, Soil and Vegetation. Ed. G. Kienitz, P.C.D. Milly, M.Th. van Genuchten, D. Rosbjerg & W.J. Shuttleworth, IAHS Publication No. 204: 185-195.

Hansen, S., 1993.Dokumentation: Modell DAISY.
In: Engel,T., B. Kloecking, E. Priesack, T. Schaaf: Simulationsmodelle zur Stickstoffdynamik. Agrarinformatik Band 25. Verlag Eugen Ulmer, Stuttgart. 159-188.

Hansen G.K., Jensen N.H., Jensen C., Stougaard B., Platou S.W., 1992.
Jordbundsvariation og jordbonitet i Danmark, Proc. ved SP Pl.konf. ... Foulum Nov. 17.

Hansen G.K., Svendsen H., 1994.
Modelberegninger og optimering af N-balancer i saedskifter for svinebrug pa lerjord, vandet og uvandet sandjord, SP rapport, nr. 15, Statens Planteavlsforsoeg.

Hansen G.K., Svendsen H., 1994.
Optimising of nitrogen application on pig farms by simulation, submitted to European Journ. of Agronomy .

Hansen S., Jensen H.E., Nielsen N.E., Svendsen H., 1990.
DAISY: Soil Plant Atmosphere System Model, NPO Report, No. A 10, The National Agency for Environmental Protection, 272p., Copenhagen.

Hansen S., Jensen H.E., Nielsen N.E., Svendsen H., 1991.
Simulation of biomass production, nitrogen uptake and nitrogen leaching in spring barley crop production. In: Nitrogen and Phosphorus in Soil and Air. Proj. Abstr. of the Dan. NPO Res. Progr. The National Agency of Environmental Protection, Denmark, pp. 167-195.

Hansen S., Jensen H.E., Nielsen N.E., Svendsen H., 1991.
Daisy. A Soil Plant System Model. In: Soil and Groundwater Research Report II: Nitrate in Soils. Final Report on Contracts EV4V-0098-NL and EV4V-00107-C. DG XII., Comission of the European Communities, pp. 258-261.

Hansen S., Jensen H.E., Stougaard B., Jensen C., Holst K., 1992.
Translation of Soil Type pattern to agro-Ecosystem Mangement using the Daisy Model. In: Use of digital geographical databases in hydrological modelling. Nordic Hydrological Programme. IHP Report, No. 32, Andersson L.; Hassel K.A. (editor(s)), pp. 115-124.

Hansen S., Jensen H.E., Nielsen N.E., Svendsen H., 1992.
Daisy - Soil Plant System Simulation Model, Int. Congr. on Agro-Ecosystem Modelling, Technical University Braunschweig, Germany (1992), pp. Abstracts 41-44.

Hansen S., Jensen H.E., Shaffer M.J., 1993.
Developments in modelling nitrogen transformation in soil, Nitrogen Fertilization and the Environm., Bacon P. (editor(s)), Marcel Dekker Publishers.

Jensen C., Stougaard B., Jensen N.H., 1992.
The Integration of Soil Classification and Modelling of N-balances with the DAISY model. In: Integrated Soil and Sediment research: A Basis for proper protection., Eijsackers H.J.P.; Hamers T. (editor(s)), Kluwer Academic Publishers, The Netherlands, pp. 512-514.

Jensen H.E., Hansen S., 1994.
Modelling and analysis of water and nitrogen dynamics in agro-ecosystems. (In preparation for submission to European Journal of Agronomy).

Jensen, H.E., Hansen, S., Stougaard, B., Jensen, C., K. Holst & Madsen, H.B., 1993.Using GIS-information to translation of soil type patterns to agro-ecosystem management - the Daisy model.
In: Eijsackers, H.J.P., and T. Hamers (eds.): Integrated soil and sediment research: a basis for proper protection. Kluwer Academic Publisher, 401-428.

Jensen, C., Stougaard, B. & Ostergaard, H.S., 1994. Simulation of water and nitrogen dynamics in farmland areas of Denmark (1989-1993).
Soil Use and Management 10, 111-118.

Jensen, C., Stougaard, B. & Olsen, P., 1994. Simulation of water and nitrogen dynamics at three Danish locations by use of the Daisy model.
Acta Agric. Scand., Sect B 44, 75-83.

Jensen, C., Stougaard, B. & Ostergaard, H.S., 1994. Simulation of water and nitrogen dynamics in farmland areas of Denmark (1989-1993).
Soil Use and Management 10, 111-118.

Jensen, C., Stougaard, B. & Olsen, P., 1994. Simulation of water and nitrogen dynamics at three Danish locations by use of the Daisy model. Acta Agric. Scand., Sect B 44, 75-83

Nielsen H., Blicher Mathisen G., Jensen C., Erlandsen M., 1992.
Modelberegning af den regionale kvaelstofudvaskning, Faglig rapport fra DMU, nr. 16.

Storm B., Styczen M., Clausen T., 1990.
Regional model for naeringssalttransport og -omsaetning, NPO Report, No. B15, The National Agency for Environmental Protection, 117p., Copenhagen.

Stougaard B., Jensen C., Jensen N.H., 1992.
Simulation of nitrate leaching from arable land in a Danish county (1989-1992). Proc. from a COST-workshop on Nitrogen Cycling and Leaching in Cool and wet Regions of Europe. Gembloux, Belgium, oct. 2.

Stougaard B., Jensen C., Oestergaard H.S., 1992.
An approach to use modelling of N-balances for improving fertilizer recommendations. Proc. from a COST-workshop on Nitrogen Cycling and Leaching in Cool and Wet Regions of europe. Gembloux, Belgium, O.

Styczen, M. & Storm, B., 1993.Modelling of N-movement on catchment scale - a tool for analysisand model description, 1. Model description.
Fertilizer Research 36: 1-6 .

Styczen, M. & Storm, B., 1993.Modelling of N-movement on catchment scale - a tool for analysis and model description, 1. A case study.
Fertilizer Research 36: 7-17.

Svendsen, H., Hansen, S, & Jensen, H.E., 1995.Simulation of crop production, water and nitrogen balances in two German agro-ecosystems using the Daisy model.
Accepted in Modelling of Geo-biosphere Processes.

Svendsen H., Hansen S., Jensen H.E., Nielsen N.E., 1993.
Users Guide to the DAISY simulation model, The Royal Veterinary and Agricultural University, Department of Agricultural Sciences, Copenhagen, Denmark.

Svendsen H., Hansen G.K., 1994.
Simulering af N-balance for Svinebrug. In: Regulering af arealanvendelsen i vandindvingsomrader, Rapport nr. 79., Schou J.S.; Vetter H. (editor(s)), Statens Jordbrugsoekonomiske Institut.

Vereecken, H., Jansen, E.J., Hack-ten Broecke, M.J.D., Swerts, M., Engelke, R., Fabrewitz, S. & Hansen, S., 1991.Comparison of simulation results of five nitrogen models using different datasets.
In: Soil and Groundwater Research Report II, Nitrate in Soils, Final report of contracts EV4V-0098-NL and EV4V-00107-C, Commission of the European Communities, 321-338.

Abrahamsen P. and Hansen S. (2000): Daisy: an open soil-crop-atmosphere system model.
Environmental Modelling & Software, 15, 313-330

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V. Further information in the World-Wide-Web


VI. Additional remarks

Coupling with other models: Output Data used as input for other models: Leaching and percolation: MIKE SHE, References: Styczen and Storm (1993).


period of development: from 01.01.1987 to


aim of model: system analysis


environmental conditions

Climate Walter Lieth

VI

geographical location

name of area: Until Now: sites in Denmark, Netherlands, North Germany and Slovakia




scales

spatial scales: A homogeneous field

temporal scale:

stepsize from: 0.000 to: 1.000, unit: day

time frame from: 1.000 to: 10000.000, unit: day


limitations of use:

Specific climate, soil hydraulic conditions and soil thermal properties may be defined in the input files. Crop parameters are only defined for spring barlay, rye grass, winter wheat, rape ...
uses aimed at: research

suggested measures for transfer in other areas:

None, but a considerable number of parameters (soil properties and climate conditions) must be known for each specific simulation.

use of the model:

support required: Probably.
support available: User support by model`s authors is limited to projects with at least some level of cooperation.

interactive use posible: No.


Last review of this document by: J. Benz Aug 26th 2000
Status of the document:
last modified by Joachim Benz Thu Jan 9 14:51:01 CET 2003

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