Table 1 The corresponding time in 17 models when global surface temperature rises to 1.5 °C and 2 °C relative to pre-industrial (1861–1880) under RCPs.

From: Most of the Northern Hemisphere Permafrost Remains under Climate Change

Model

1.5 °C

2 °C

RCP2.6

RCP4.5

RCP8.5

RCP2.6

RCP4.5

RCP8.5

BCC-CSM1.1

2023/2026

2022/2025

2019/2026

N/N

2040/2050

2038/2038

BCC-CSM1.1(m)

2014/2018

2013/2015

2011/2014

2029/N

2034/2037

2029/2029

BNU-ESM

2007/2012

2006/2017

2009/2016

2025/2031

2022/2031

2024/2024

CanESM2

2017/2017

2020/2020

2009/2015

2033/2033

2030/2035

2027/2030

CNRM-CM5

2040/2045

2035/2038

2030/2030

N/N

2055/2060

2045/2045

CSIRO-Mk3.6.0

2029/2029

2026/2031

2022/2030

2069/N

2043/2053

2043/2043

HadGEM2-ES

2022/2028

2031/2031

2023/2030

2048/N

2043/2045

2036/2038

IPSL-CM5A-LR

2016/2021

2014/2018

2015/2015

2033/2038

2032/2032

2030/2030

IPSL-CM5A-MR

2012/2021

2023/2023

2010/2015

2042/N

2034/2034

2030/2030

MIROC-ESM

2021/2021

2021/2021

2021/2021

2040/2043

2034/2034

2031/2031

MIROC-ESM-CHEM

2015/2015

2023/2023

2019/2019

2031/2034

2038/2038

2027/2027

MIROC5

2047/2052

2033/2052

2028/2033

N/N

2055/2058

2043/2052

GISS-E2-H

2025/2042

2023/2023

2021/2026

N/N

2050/2054

2039/2042

CCSM4

2021/2023

2014/2024

2018/2021

N/N

2043/2047

2033/2033

CESM1(CAM5)

2029/2037

2030/2033

2029/2033

2061/N

2047/2053

2043/2043

GFDL-CM3

2021/2036

2025/2033

2026/2029

2052/2059

2040/2040

2041/2043

NorESM1-M

2082/N

2040/2051

2035/2035

N/N

2079/2089

2051/2053

MME

2023/2027

2026/2026

2023/2023

N/N

2043/2046

2037/2037

  1. Note: N indicates events will not happen in 21st, the notation/indicates the first time and for 5a reached to a certain temperature threshold.