Spatial and temporal appraisal of drought jeopardy over the Gangetic West Bengal, eastern India

Geoenvironmental Disasters

Table 8 Result of MK (MMK) test, Sen’s slope and % change over 1901–2002 in different drought series

Weather Stations	SPI-3			SPI-12			SPI-24
Weather Stations	Z	Q	Trend	Z	Q	Trend	Z	Q	Trend
Berhampore	−1.30*	− 0.21	In*	− 2.05*	− 0.49	In*	− 1.87⁺	− 0.59	In ⁺
Krishnanagar	0.44	0.07	De	0.94	0.22	De	1.49	0.39	De
Chinsura	1.17	0.17	De	1.86	0.48	De	2.52⁺	0.75	De⁺
Uluberia	1.75⁺	0.24	De⁺	2.77⁺	0.71	De⁺	3.23*	0.99	De*
Alipore	1.46⁺	0.22	De⁺	2.40⁺	0.61	De⁺	2.98*	0.91	De*
Basirhat	1.98*	0.32	De*	3.27*	0.81	De*	3.88*	0.15	De*
Purulia	−1.26	−0.18	In ⁺	−1.79⁺	−0.44	In ⁺	−1.95⁺	− 0.60	In ⁺
Bankura	− 0.53	−0.10	In	−0.80	− 0.18	In	− 0.63	− 0.20	In
Sriniketan	−1.49*	−0.24	In ^*	−2.53^*	−0.63	In ^*	−2.77*	−0.85	In*
Burdwan	−0.45	−0.06	In	−0.81	− 0.18	In	− 0.61	−0.16	In
Midnpore	1.33	0.20	De	2.22	0.55	De	2.81⁺	0.80	De⁺
Sagar Island	2.17*	0.34	De*	3.48*	0.89	De*	4.00*	0.25	De*
GWB Avg.	0.53	0.08	De	0.92	0.24	De	1.56	0.44	De

Z: Standardized test statistics of MK test; Q-Sen’s slope estimate; In-increasing and De-Decreasing trend of dry condition. * Represents significant trend at 0.05 level of significance; and ⁺ represents significant trend at 0.1 level of significance