Ιδρυματικό Αποθετήριο [SANDBOX]
Πολυτεχνείο Κρήτης
EN  |  EL

Αναζήτηση

Πλοήγηση

Ο Χώρος μου

A Multiple linear regression GIS module using spatial variables to model orographic rainfall

Tsanis Giannis, S. Naoum

Πλήρης Εγγραφή


URI: http://purl.tuc.gr/dl/dias/19272AEE-A0D7-460D-A48F-773A7F8E3D8F
Έτος 2004
Τύπος Δημοσίευση σε Περιοδικό με Κριτές
Άδεια Χρήσης
Λεπτομέρειες
Βιβλιογραφική Αναφορά S. Naoum, I.K Tsanis, “A Multiple linear regression GIS module using spatial variables to model orographic rainfall”, J. of Hydroinf., vol. 6, pp. 39-54, 2004.
Εμφανίζεται στις Συλλογές

Περίληψη

This paper aims to document the development of a new GIS-based spatial interpolation module that adopts a multiple linear regression technique. The functionality of the GIS module is illustrated through a test case represented by the island of Crete, Greece, where the models generated were applied to locations where estimates of annual precipitation were required. The response variable is ‘precipitation’ and the predictor variables are ‘elevation’, ‘longitude’ and ‘latitude’, or any combination of these. The module is capable of performing a sequence of tasks which will eventually lead to an estimation of mean areal precipitation and the total volume of precipitation. In addition, it can generate up to nine predictor variables and their parameters, and can estimate areal rainfall for a user-specified three-dimensional extent. The developed module performed satisfactorily. Precipitation estimates at ungauged locations were obtained using the multiple linear regression method in addition to some conventional spatial interpolation techniques (i.e. IDW, Spline, Kriging, etc.). The multiple linear regression models provided better estimates than the other spatial interpolation techniques.

Υπηρεσίες

Στατιστικά