6533b86efe1ef96bd12cb279
RESEARCH PRODUCT
An Analysis of Regional and Intra-annual Precipitation Variability over Iran using Multivariate Statistical Methods
Manfred DomroesD. SchaeferM. Kavianisubject
Atmospheric ScienceMultivariate analysisSpatial structureCovariance matrixClimatologyPrincipal component analysisStatisticsPrecipitation typesEnvironmental scienceSpatial variabilityPrecipitationHierarchical clusteringdescription
The temporal and spatial precipitation regime of Iran was analysed using multivariate analyses of monthly mean precipitation records for 71 stations. A Principal Component Analysis was applied to the correlation matrix in order to describe the intra-annual variations of precipitation. The Principal Component scores were mapped to visualize the spatial structure of the three derived precipitation regimes. By applying an agglomerative clustering (WARD) of the three Principal Component scores, five homogeneous spatial clusters, representing five precipitation regions, were developed. The intra-annual types of precipitation distribution, shown by the five clusters, are described and discussed.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1998-12-14 | Theoretical and Applied Climatology |