Exploration of Use of Copulas in Analysing the Relationship between Precipitation and Meteorological Drought in Beijing, China

Table 2

Results of the MK trend test with a running approach.

Meaning	Interval	Number	Frequency
Decrease significantly	(−∞, −1.96)	406	27.3%
Decrease insignificantly	(−1.96, 0)	786	52.7%
Increase significantly	(0, 1.96)	19	1.4%
Increase insignificantly	(1.96, +∞)	223	15.0%
No trend	0	54	3.6%