Table 1 Definitions of 19 bioclimatic variables used in this study.

From: Continuous decline of climate fluctuations in the Kunlun–Pamir Plateau from the perspective of the bioclimatic variables

Types

Variables

description

Units

Energy factors

BIO1

Annual Mean Temperature

°C

BIO2

Mean Diurnal Range

°C

BIO3

Isothermality

BIO4

Temperature Seasonality

BIO5

Max Temperature of Warmest Month

°C

BIO6

Min Temperature of Coldest Month

°C

BIO7

Temperature Annual Range

°C

BIO8

Mean Temperature of Wettest Quarter

°C

BIO9

Mean Temperature of Driest Quarter

°C

BIO10

Mean Temperature of Warmest Quarter

°C

 

BIO11

Mean Temperature of Coldest Quarter

°C

Water factors

BIO12

Annual Precipitation

mm

BIO13

Precipitation of Wettest Month

mm

BIO14

Precipitation of Driest Month

mm

 

BIO15

Precipitation Seasonality

 

BIO16

Precipitation of Wettest Quarter

mm

 

BIO17

Precipitation of Driest Quarter

mm

BIO18

Precipitation of Warmest Quarter

mm

BIO19

Precipitation of Coldest Quarter

mm