Hydrological response units (HRU's) as modelling entities for hydrological river basin simulation and their methodological potential for modelling complex environmental process systems. Results from the Sieg catchment Export

@article{citeulike:1859841, abstract = {During the past two decades environmental studies have become of increasing importance to the population and decision makers worldwide. The term 'ecology' in Geography frequently is used to indicate that the problem under investigation is dealing with different aspects of interlinked ecosystems (Grunert 1991: Kummert and Stumm 1992; Jeffries and Mills 1990: DFG 1986). Geography as a scientific discipline traditionally is investigating interlinked process systems in nature and their interaction with human economic development. The latter is influencing these process systems, and often is deteriorating them by inducing imbalances within their internal transport structure. These imbalances in turn result in various system changes which reflect upon other interlinked systems inducing disturbances within them as well. Examples for such interlinked process systems are the erosion dynamics induced by deforestation (Heine 1978). desertification resulting from overgrasing (Laser 1975/76; Mensching 1979, 1980) or river salination by dryland agriculture (Flu?gel 1995a) and irrigation (Flu?gel 1991). Environmental research dealing with interactive process transport systems can be differentiated into: (i) descriptive investigations aiming to characterize and quantify the process system identified by disturbed and (ii) modelling studies aiming to describe the process system under investigation by an appropriate computer simulation to make predictions using different case scenarios. This paper is dealing with the latter type of environmental study by using the hydrological system of the river Bro?l as an example. By applying a modified concept of Hydrological Response Units (HRU's) (Flu?gel 1995b) within the PRMS-model the interactive water transport dynamics of the system comprised by the subsystems atmosphere, vegetation, soil, groundwater and river is modelled and interpretated. HRU's by definition are accounting for the three-dimensional heterogeneity of the catchment, and are designed to reflect different-dominant subsystems of the basins hydrological cycle (Flu?el 1995b). As water is an important transport agent active in various ways within environmental process systems. HRU's therefor can also be applied as modelling entities in environmental models environmental impact scenarios (Moore, Grayson und Radson 1992). The papers presenting the concept of a GIS-analyses method which can be applied for delineating Environmental Response Units (ERU's) as model entities for such environmental models.}, author = {Fl{\"u}gel, W. A.}, citeulike-article-id = {1870250}, citeulike-linkout-0 = {http://www.scopus.com/scopus/record/display.url?view=extended\&origin=resultslist\&eid=2-s2.0-0030466348}, journal = {Erde}, keywords = {bibtex-import, catchment, hru, hydrological\_response\_unit, lib\_brahmatwinn, lib\_ecohydrology, model}, number = {1}, pages = {43--62}, posted-at = {2007-11-05 21:22:40}, priority = {2}, title = {Hydrological response units (HRU's) as modelling entities for hydrological river basin simulation and their methodological potential for modelling complex environmental process systems. Results from the Sieg catchment}, url = {http://www.scopus.com/scopus/record/display.url?view=extended\&origin=resultslist\&eid=2-s2.0-0030466348}, volume = {127}, year = {1996} }

TY - JOUR ID - citeulike:1859841 L3 - citeulike-article-id:1870250 N2 - During the past two decades environmental studies have become of increasing importance to the population and decision makers worldwide. The term 'ecology' in Geography frequently is used to indicate that the problem under investigation is dealing with different aspects of interlinked ecosystems (Grunert 1991: Kummert and Stumm 1992; Jeffries and Mills 1990: DFG 1986). Geography as a scientific discipline traditionally is investigating interlinked process systems in nature and their interaction with human economic development. The latter is influencing these process systems, and often is deteriorating them by inducing imbalances within their internal transport structure. These imbalances in turn result in various system changes which reflect upon other interlinked systems inducing disturbances within them as well. Examples for such interlinked process systems are the erosion dynamics induced by deforestation (Heine 1978). desertification resulting from overgrasing (Laser 1975/76; Mensching 1979, 1980) or river salination by dryland agriculture (Flu?gel 1995a) and irrigation (Flu?gel 1991). Environmental research dealing with interactive process transport systems can be differentiated into: (i) descriptive investigations aiming to characterize and quantify the process system identified by disturbed and (ii) modelling studies aiming to describe the process system under investigation by an appropriate computer simulation to make predictions using different case scenarios. This paper is dealing with the latter type of environmental study by using the hydrological system of the river Bro?l as an example. By applying a modified concept of Hydrological Response Units (HRU's) (Flu?gel 1995b) within the PRMS-model the interactive water transport dynamics of the system comprised by the subsystems atmosphere, vegetation, soil, groundwater and river is modelled and interpretated. HRU's by definition are accounting for the three-dimensional heterogeneity of the catchment, and are designed to reflect different-dominant subsystems of the basins hydrological cycle (Flu?el 1995b). As water is an important transport agent active in various ways within environmental process systems. HRU's therefor can also be applied as modelling entities in environmental models environmental impact scenarios (Moore, Grayson und Radson 1992). The papers presenting the concept of a GIS-analyses method which can be applied for delineating Environmental Response Units (ERU's) as model entities for such environmental models. IS - 1 JF - Erde EP - 62 TI - Hydrological response units (HRU's) as modelling entities for hydrological river basin simulation and their methodological potential for modelling complex environmental process systems. Results from the Sieg catchment VL - 127 SP - 43 KW - bibtex-import KW - catchment KW - hru KW - hydrological_response_unit KW - lib_brahmatwinn KW - lib_ecohydrology KW - model AU - Fl{\"u}gel, WA PY - 1996/// UR - http://www.scopus.com/scopus/record/display.url?view=extended\&origin=resultslist\&eid=2-s2.0-0030466348 ER -