GEOGRAPHICAL RESEARCH

Adaptive IDW interpolation method and its application in the temperature field

Ping DUAN, Yehua SHENG, Jia LI, Haiyang LV, Siyang ZHANG

GEOGRAPHICAL RESEARCH, 2014, 33(8): 1417-1426. DOI: 10.11821/dlyj201408003

Fig. 3 The regular grid index

Other figure/table from this article

Fig.1 The search strategy
Fig.2 Flow chart of the AIDW
Fig. 4 Selections of the first order natural neighbors
Fig.5 Franke surface <![CDATA[(2)]]>
Tab. 1 Interpolation error statistics of 500 sampling points and 1000 interpolation points
Tab. 2 Interpolation error statistics of 1000 sampling points and 1000 interpolation points
Tab. 3 Interpolation error statistics of 2000 sampling points and 1000 interpolation points
Tab. 4 Interpolation error statistics of 5000 sampling points and 1000 interpolation points
Tab.5 Interpolation error statistics of 10000 sampling points and 1000 interpolation points
Tab. 6 Interpolation error statistics of 20000 sampling points and 1000 interpolation points
Fig.6 Spatial distribution of the data
Tab.7 The error statistics of interpolation methods (^oC)
Fig. 7 Comparison of interpolation results