1. General Model Information
Name: SMARAGD
Acronym: SMARAGD
Main medium: aquatic
Main subject: hydrology
Organization level: ecosystem
Type of model: compartment model, ordinary differential equations
Main application:
Keywords: submerged macrophyte abundance, lake, freshwater, extinction characteristics, ligth extinction
Contact:
Drs. F.J. Los.
Delft hydraulics, P.O.Box 177, 2600 MH Delft, THE NETHERLANDS.
Phone: +31.15.2569353
Fax: +31.15.2619674
email: hans.los@wldelft.nl
Author(s):
Abstract:
The model predicts submerged macrophyte abundance based on depth and extinction
characteristics of water bodies. Depth profile of basin or lake or river needed
as input. 2-Dimensional abundancy map as output (multi segment model).
Purpose of the model:
Model parentage:
Source of the AbstractCAMASE Register of Agro-ecosystems Models
II. Technical Information
II.1 Executables:
Operating System(s): Costs: Consult author.
II.2 Source-code:
Programming Language(s): Microsoft FORTRAN-77.
II.3 Manuals:
II.4 Data:
III. Mathematical Information
III.1 Mathematics
III.2 Quantities
State variables: Biomass, macrophyte biomass extinction, depth, irradiance (average columns), I2 depth related irradiance.
III.2.1 Input
Depth, irradiance (total) extinction coefficient. Input check in model: No.
III.2.2 Output
Macrophyte biomass per segment.
Basic spatial unit: m2.
Time interval of simulation: Irrelevant.
IV. References
V. Further information in the World-Wide-Web
VI. Additional remarks
Last review of this document by: T. Gabele : Dec 10 1997
Status of the document:
last modified by
Joachim Benz Mon Jul 2 18:31:37 CEST 2007