Climate change is causing rapid and severe changes to many Earth systems and processes,with widespread cryospheric,ecological,and hydrological impacts globally,and especially in high northern latitudes.This is of majo...Climate change is causing rapid and severe changes to many Earth systems and processes,with widespread cryospheric,ecological,and hydrological impacts globally,and especially in high northern latitudes.This is of major societal concern and there is an urgent need for improved understanding and predictive tools for environmental management.The Changing Cold Regions Network(CCRN)is a Canadian research consortium with a focus to integrate existing and new experimental data with modelling and remote sensing products to understand,diagnose,and predict changing land,water,and climate,and their interactions and feedbacks over the geographic domain of the Mackenzie and Saskatchewan River Basins in Canada.The network operates a set of 14 unique and focused Water,Ecosystem,Cryosphere and Climate(WECC)observatories within this region,which provide opportunities to observe and understand processes and their interaction,as well as develop and test numerical simulation models,and provide validation data for remote sensing products.This paper describes this network and its observational,experimental,and modelling programme.An overview of many of the recent Earth system changes observed across the study region is provided,and some local insights from WECC observatories that may partly explain regional patterns and trends are described.Several of the model products being developed are discussed,and linkages with the local to international user community are reviewed—In particular,the use of WECC data towards model and remote sensing product calibration and validation is highlighted.Some future activities and prospects for the network are also presented at the end of the paper.展开更多
The cover photo in the Journal of Mountain Science(Vol.12,No.3,2015)was taken by Kenneth Hewitt in 2005.The photo shows part of Panmah Glacier in the central Karakoram Himalaya(35:57°N,75:55°E).Here the main...The cover photo in the Journal of Mountain Science(Vol.12,No.3,2015)was taken by Kenneth Hewitt in 2005.The photo shows part of Panmah Glacier in the central Karakoram Himalaya(35:57°N,75:55°E).Here the main glacier is massively disturbed by surges of tributary glaciers.The nearest,Chiring,surged in 1995,Maedan,opposite,in 2003.A lobe from the left flank,middle distance,is Shingchukpi,surging in 2005.展开更多
Matthias Kuhle,an internationally renowned physical geographer and highly respected geomorphologist,died tragically on the 25th of April,2015.He was in the Manaslu Himalaya,close to the epicentre of April 2015 Nepal e...Matthias Kuhle,an internationally renowned physical geographer and highly respected geomorphologist,died tragically on the 25th of April,2015.He was in the Manaslu Himalaya,close to the epicentre of April 2015 Nepal earthquake at Magnitude 7.8,and was fatally injured.展开更多
基金NSERC for funding support of the CCRN through its CCAR Initiative
文摘Climate change is causing rapid and severe changes to many Earth systems and processes,with widespread cryospheric,ecological,and hydrological impacts globally,and especially in high northern latitudes.This is of major societal concern and there is an urgent need for improved understanding and predictive tools for environmental management.The Changing Cold Regions Network(CCRN)is a Canadian research consortium with a focus to integrate existing and new experimental data with modelling and remote sensing products to understand,diagnose,and predict changing land,water,and climate,and their interactions and feedbacks over the geographic domain of the Mackenzie and Saskatchewan River Basins in Canada.The network operates a set of 14 unique and focused Water,Ecosystem,Cryosphere and Climate(WECC)observatories within this region,which provide opportunities to observe and understand processes and their interaction,as well as develop and test numerical simulation models,and provide validation data for remote sensing products.This paper describes this network and its observational,experimental,and modelling programme.An overview of many of the recent Earth system changes observed across the study region is provided,and some local insights from WECC observatories that may partly explain regional patterns and trends are described.Several of the model products being developed are discussed,and linkages with the local to international user community are reviewed—In particular,the use of WECC data towards model and remote sensing product calibration and validation is highlighted.Some future activities and prospects for the network are also presented at the end of the paper.
文摘The cover photo in the Journal of Mountain Science(Vol.12,No.3,2015)was taken by Kenneth Hewitt in 2005.The photo shows part of Panmah Glacier in the central Karakoram Himalaya(35:57°N,75:55°E).Here the main glacier is massively disturbed by surges of tributary glaciers.The nearest,Chiring,surged in 1995,Maedan,opposite,in 2003.A lobe from the left flank,middle distance,is Shingchukpi,surging in 2005.
文摘Matthias Kuhle,an internationally renowned physical geographer and highly respected geomorphologist,died tragically on the 25th of April,2015.He was in the Manaslu Himalaya,close to the epicentre of April 2015 Nepal earthquake at Magnitude 7.8,and was fatally injured.
