Evaluation of glacier changes in high‐mountain Asia based on 10 year GRACE RL05 models

In this paper, 10 years of time-variable gravity data from the Gravity Recovery and Climate Experiment Release 05 have been used to evaluate the glacier melting rate in high-mountain Asia (HMA) using a new computing scheme, i.e., the Space Domain Inverse method. We find that in HMA area, there are three different kinds of signal sources that should be treated together. The two generally accepted sources, glacier melting and India underground water depletion, are estimated to change at the rate of −35.0 ± 5.8 Gt/yr (0.09 mm/yr sea level rising) and −30.6 ± 5.0 Gt/yr, respectively. The third source is the remarkable positive signal (+30 Gt/yr) in the inner Tibetan Plateau, which is challenging to explain. Further, we have found that there is a 5 year undulation in Pamir and Karakoram, which can explain the controversies of the previous studies on the glacier melting rate here. This 5 year signal can be explained by the influence of Arctic Oscillation and El Nino–Southern Oscillation.

[1]  Eric J. Fielding,et al.  Tibet uplift and erosion , 1996 .

[2]  D. Chambers,et al.  GRACE observes small‐scale mass loss in Greenland , 2008 .

[3]  Shi Yafeng,et al.  Last glaciation and maximum glaciation in the Qinghai-Xizang (Tibet) Plateau: A controversy to M. Kuhle’s ice sheet hypothesis , 1992 .

[4]  Graham Cogley,et al.  Glaciology: No ice lost in the Karakoram , 2012 .

[5]  I. Velicogna.  Increasing rates of ice mass loss from the Greenland and Antarctic ice sheets revealed by GRACE , 2009 .

[6]  T. Yao,et al.  Recent Glacial Retreat and Its Impact on Hydrological Processes on the Tibetan Plateau, China, and Surrounding Regions , 2007 .

[7]  Guillaume Ramillien,et al.  Interannual variations of the mass balance of the Antarctica and Greenland ice sheets from GRACE , 2006 .

[8]  Y. Arnaud,et al.  Slight mass gain of Karakoram glaciers in the early twenty-first century , 2012 .

[9]  T. Bolch,et al.  A glacier inventory for the western Nyainqentanglha Range and the Nam Co Basin, Tibet, and glacier changes 1976-2009 , 2010 .

[10]  Yong Wang,et al.  Gravity and GPS measurements reveal mass loss beneath the Tibetan Plateau: Geodetic evidence of increasing crustal thickness , 2009 .

[11]  V. M. Tiwari,et al.  Dwindling groundwater resources in northern India, from satellite gravity observations , 2009 .

[12]  Nico Sneeuw,et al.  Assessing Greenland ice mass loss by means of point-mass modeling: a viable methodology , 2011 .

[13]  Y. Arnaud,et al.  Region-wide glacier mass balances over the Pamir-Karakoram-Himalaya during 1999–2011 , 2013 .

[14]  Uncovered spurious jumps in the GRACE atmospheric de‐aliasing data: potential contamination of GRACE observed mass change , 2012 .

[15]  J. Qin,et al.  Evaluation of AMSR‐E retrievals and GLDAS simulations against observations of a soil moisture network on the central Tibetan Plateau , 2013 .

[16]  J. Famiglietti,et al.  Satellite-based estimates of groundwater depletion in India , 2009, Nature.

[17]  Benjamin F. Chao,et al.  On inversion for mass distribution from global (time-variable) gravity field , 2005 .

[18]  K. Heki,et al.  Anomalous precipitation signatures of the Arctic Oscillation in the time‐variable gravity field by GRACE , 2012 .

[19]  L. Thompson,et al.  Different glacier status with atmospheric circulations in Tibetan Plateau and surroundings , 2012 .

[20]  Koji Matsuo,et al.  Time-variable ice loss in Asian high mountains from satellite gravimetry , 2010 .

[21]  Byron D. Tapley,et al.  Interannual variability of Greenland ice losses from satellite gravimetry , 2011 .

[22]  J. Janowiak,et al.  The Version 2 Global Precipitation Climatology Project (GPCP) Monthly Precipitation Analysis (1979-Present) , 2003 .

[23]  M. Cheng,et al.  Geocenter Variations from Analysis of SLR Data , 2013 .

[24]  S. Swenson,et al.  Accuracy of GRACE mass estimates , 2006 .

[25]  Shi-chang Kang,et al.  Water balance observations reveal significant subsurface water seepage from Lake Nam Co, south-central Tibetan Plateau , 2013 .

[26]  Bin Wang,et al.  Tibetan Plateau warming and precipitation changes in East Asia , 2008 .

[27]  H. Xie,et al.  Increased mass over the Tibetan Plateau: From lakes or glaciers? , 2013 .

[28]  Jeffrey P. Walker,et al.  THE GLOBAL LAND DATA ASSIMILATION SYSTEM , 2004 .

[29]  Jack E. Dibb,et al.  Precipitation fluctuations in the Nepal Himalaya and its vicinity and relationship with some large scale climatological parameters. , 2000 .

[30]  S. Swenson,et al.  Post‐processing removal of correlated errors in GRACE data , 2006 .

[31]  Eric Rignot,et al.  Acceleration of the contribution of the Greenland and Antarctic ice sheets to sea level rise , 2011 .

[32]  Shuanggen Jin,et al.  Large-scale variations of global groundwater from satellite gravimetry and hydrological models, 2002–2012 , 2013 .

[33]  W. Tad Pfeffer,et al.  Recent contributions of glaciers and ice caps to sea level rise , 2012, Nature.

[34]  F. Bryan,et al.  Time variability of the Earth's gravity field: Hydrological and oceanic effects and their possible detection using GRACE , 1998 .

[35]  Byron D. Tapley,et al.  Accelerated Antarctic ice loss from satellite gravity measurements , 2009 .

[36]  Zhuotong Nan,et al.  Prediction of permafrost distribution on the Qinghai-Tibet Plateau in the next 50 and 100 years , 2005 .

[37]  J. Gregory,et al.  Revisiting the Earth's sea‐level and energy budgets from 1961 to 2008 , 2011, Geophysical Research Letters.

[38]  M. Cheng,et al.  Variations in the Earth's oblateness during the past 28 years , 2004 .

[39]  M. R. van den Broeke,et al.  A Reconciled Estimate of Glacier Contributions to Sea Level Rise: 2003 to 2009 , 2013, Science.

[40]  T. Yao.  Glacial fluctuations and its impacts on lakes in the southern Tibetan Plateau , 2010 .

[41]  A. Cazenave,et al.  Sea level and climate: measurements and causes of changes , 2011 .

[42]  T. Bolch,et al.  The State and Fate of Himalayan Glaciers , 2012, Science.

[43]  W. Gan,et al.  Three‐dimensional velocity field of present‐day crustal motion of the Tibetan Plateau derived from GPS measurements , 2013 .