Research School for Socio-Economic and
Natural Sciences of the Environment
Research School for Socio-Economic and
Natural Sciences of the Environment

Fakhereh Alidoost

Date: 24 April 2019
Location: UT Waaier 4, Enschede

Dissertation title: 

Copulas for integrating weather and land information in space and time

Group: University of Twente, Department of Earth Observation Science
Promotor: Alfred Stein
Co-promotor: Prof.Bob Su


Environmental processes consist of interactions between weather, land, and water variables that change continuously in space and time. One reason why describing a process is problematic is that natural phenomena are often only observed at a discrete set of locations and times. Another reason is that a complete process description requires to consider the variables at several locations and times, and associations between several variables at one location and time. This research constitutes a relatively new area for describing the interdependencies in weather variables tackling two problems common in local hydrological studies: the source of weather data in data-scarce environments, and the complexity of the interdependencies. The novel aspects lie in integrating of information and improving the predictions using copula-based methods. The main conclusions drawn from our research are that copula-based methods can represent well the spatial variability and co-variability of air temperature and precipitation, and can improve existing methods at local scales.