msk.hydrol.2011.aggregate: Aggregation function of the hydrology module of the Swiss modular concept for stream assessment, level I (Regional survey) from 2011.

Description

Aggregates the values of the 9 sub-objectives at the second-highest aggregation level of the hydrology module of the Swiss River Assessment Program MSK (2011).

Usage

msk.hydrol.2011.aggregate(u,
                          par = NA)

Arguments

Numerical vector of length 9 containing the values that quantify the degree of fulfillment of the 9 sub-objettives.

par

Argument added for consistency with the other aggregation procedures. No parameters are needed.

Value

The function returns the aggregated value.

References

Langhans, S.D., Lienert, J., Schuwirth, N. and Reichert, P. How to make river assessments comparable: A demonstration for hydromorphology, Ecological Indicators 32, 264-275, 2013. 10.1016/j.ecolind.2013.03.027 Langhans, S.D., Reichert, P. and Schuwirth, N. The method matters: indicator aggregation in ecological river assessment. Ecological Indicators 45, 494-507, 2014. 10.1016/j.ecolind.2014.05.014 Reichert, P., Schuwirth, N. and Langhans, S. Constructing, evaluating and visualizing value and utility functions for decision support, Environmental Modelling & Software 46, 283-291, 2013. 10.1016/j.envsoft.2013.01.017 Reichert, P., Langhans, S., Lienert, J. and Schuwirth, N. The conceptual foundation of environmental decision support. Journal of Environmental Management. 154, 316-332, 2015. 10.1016/j.jenvman.2015.01.053 Reichert, P., Borsuk, M., Hostmann, M., Schweizer, S., Sporri, C., Tockner, K. and Truffer, B. Concepts of decision support for river rehabilitation, Environmental Modelling and Software 22, 188-201, 2007. 10.1016/j.envsoft.2005.07.017 https://modul-stufen-konzept.ch Pfaundler M.,Duebendorfer,C, Zysset, A. Methoden zur Untersuchung und Beurteilung der Fliessgewaesser. Hydrologie - Abflussregime Stufe F (flaechendeckend). Bundesamt fuer Umwelt, Bern. Umwelt-Vollzug Nr. 1107: 113 S, 2011. http://www.bafu.admin.ch/uv-1107-d

Examples

Run this code

# NOT RUN {
hydrol <- msk.hydrol.2011.create()
plot(hydrol)
hydrol.german <- msk.hydrol.2011.create("Deutsch")
plot(hydrol.german)
# }