Christopher Harig
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View article: Community estimate of global glacier mass changes from 2000 to 2023
Community estimate of global glacier mass changes from 2000 to 2023 Open
Glaciers are indicators of ongoing anthropogenic climate change 1 . Their melting leads to increased local geohazards 2 , and impacts marine 3 and terrestrial 4,5 ecosystems, regional freshwater resources 6 , and both global water and ener…
View article: Quantifying Changes in Water Loading in the U.S. Southwest via Comparison of GNSS, GRACE, and SWE Datasets
Quantifying Changes in Water Loading in the U.S. Southwest via Comparison of GNSS, GRACE, and SWE Datasets Open
The synthesis of Gravity Recovery and Climate Experiment (GRACE) gravimetry data and Global Navigation Satellite System (GNSS) displacement data provides improved models of surface water hydrology. Much work remains to be done to understan…
View article: The influence of mantle structure on dynamic topography in southern Africa
The influence of mantle structure on dynamic topography in southern Africa Open
Due to relatively high terrain and negligible active tectonics, the southern Africa region boasts over thirty independent estimates of dynamic topography. These published estimates display a wide variance due to both the variety of methods…
View article: Mass balance of the Greenland and Antarctic ice sheets from 1992 to 2020
Mass balance of the Greenland and Antarctic ice sheets from 1992 to 2020 Open
Ice losses from the Greenland and Antarctic ice sheets have accelerated since the 1990s, accounting for a significant increase in the global mean sea level. Here, we present a new 29-year record of ice sheet mass balance from 1992 to 2020 …
View article: “Peripheral glaciers matter” by Hugonnet R. & Berthier E.
“Peripheral glaciers matter” by Hugonnet R. & Berthier E. Open
Abstract. Ice losses from the Greenland and Antarctic Ice Sheets have accelerated since the 1990s, accounting for a significant increase in global mean sea level. Here, we present a new 29-year record of ice sheet mass balance from 1992 to…
View article: Comment on essd-2022-261
Comment on essd-2022-261 Open
Abstract. Ice losses from the Greenland and Antarctic Ice Sheets have accelerated since the 1990s, accounting for a significant increase in global mean sea level. Here, we present a new 29-year record of ice sheet mass balance from 1992 to…
View article: Reply on CC1
Reply on CC1 Open
Ice losses from the Greenland and Antarctic Ice Sheets have accelerated since the 1990s, accounting for a significant increase in global mean sea level. Here, we present a new 29-year record of ice sheet mass balance from 1992 to 2020 from…
View article: Mass Balance of the Greenland and Antarctic Ice Sheets from 1992 to 2020
Mass Balance of the Greenland and Antarctic Ice Sheets from 1992 to 2020 Open
Ice losses from the Greenland and Antarctic Ice Sheets have accelerated since the 1990s, accounting for a significant increase in global mean sea level. Here, we present a new 29-year record of ice sheet mass balance from 1992 to 2020 from…
View article: Comment on se-2021-151
Comment on se-2021-151 Open
Abstract. We present regional constraints of mantle viscosity for North America using a local Bayesian joint inversion of mantle flow and glacial isostatic adjustment (GIA) models. Our localized mantle flow model uses new local geoid kerne…
View article: Comment on se-2021-151
Comment on se-2021-151 Open
Abstract. We present regional constraints of mantle viscosity for North America using a local Bayesian joint inversion of mantle flow and glacial isostatic adjustment (GIA) models. Our localized mantle flow model uses new local geoid kerne…
View article: Variations in Earth's 1D viscosity structure in different tectonic regimes
Variations in Earth's 1D viscosity structure in different tectonic regimes Open
Past estimates of Earth’s mantle viscosity profile using the long-wavelength geoid suggest an increase in viscosity from the upper to lower mantle of roughly 2-3 orders of magnitude. We use a spatio-spectral localization technique with the…
View article: Regional mantle viscosity constraints for North America reveal upper mantle strength differences across the continent
Regional mantle viscosity constraints for North America reveal upper mantle strength differences across the continent Open
We present regional constraints of mantle viscosity for North America using a local Bayesian joint inversion of mantle flow and glacial isostatic adjustment (GIA) models. Our localized mantle flow model uses new local geoid kernels created…
View article: 21st century estimates of mass loss rates from glaciers in the Gulf of Alaska and Canadian Archipelago using a GRACE constrained glacier model
21st century estimates of mass loss rates from glaciers in the Gulf of Alaska and Canadian Archipelago using a GRACE constrained glacier model Open
Ice mass loss rates from glaciers in the Gulf of Alaska and the Canadian Archipelago are expected to increase through the end of century in response to increasing temperatures. Here, we develop a new glacier model constrained by GRACE grav…
View article: Modeling of the Greenland Glacial Isostatic Adjustment in Response to Projected Ice Mass Loss in the Coming Centuries
Modeling of the Greenland Glacial Isostatic Adjustment in Response to Projected Ice Mass Loss in the Coming Centuries Open
Since the last glacial maximum (LGM) ~20,000 years ago the Earth has deformed in response to the melting of large ice sheets. This deformation is known as glacial isostatic adjustment (GIA). The GIA is critical to understanding the rate of…
View article: Long-Term and Inter-annual Mass Changes in the Iceland Ice Cap Determined From GRACE Gravity Using Slepian Functions
Long-Term and Inter-annual Mass Changes in the Iceland Ice Cap Determined From GRACE Gravity Using Slepian Functions Open
The Gravity Recovery and Climate Experiment (GRACE) satellites have measured anomalies in the Earth's time-variable gravity field since 2002, allowing for the measurement of the melting of glaciers due to climate change. Many techniques us…
View article: Accelerating changes in ice mass within Greenland, and the ice sheet’s sensitivity to atmospheric forcing
Accelerating changes in ice mass within Greenland, and the ice sheet’s sensitivity to atmospheric forcing Open
Significance The recent deglaciation of Greenland is a response to both oceanic and atmospheric forcings. From 2000 to 2010, ice loss was concentrated in the southeast and northwest margins of the ice sheet, in large part due to the increa…
View article: Long-term and inter-annual mass changes in the Iceland ice cap determined from GRACE gravity
Long-term and inter-annual mass changes in the Iceland ice cap determined from GRACE gravity Open
The Gravity Recovery and Climate Experiment (GRACE) satellites have measured anomalies in the Earth’s time-variable gravity field since 2002, allowing for the measurement of the melting of glaciers due to climate change. Many techniques us…
View article: The changing mass of glaciers on the Tibetan Plateau, 2002–2016, using time-variable gravity from the GRACE satellite mission
The changing mass of glaciers on the Tibetan Plateau, 2002–2016, using time-variable gravity from the GRACE satellite mission Open
The Tibetan Plateau is the largest region of high elevation in the world. The source of water for a number of important rivers, the Himalayan region is vital to the billions of inhabitants of the Asian continent. Over the last fifty years,…
View article: Quantifying The Sensitivity Of Sea Level Change In Coastal Localities To The Geometry Of Polar Ice Mass Flux -- Supplemental Data Set: Sea Level Sensitivity Kernels
Quantifying The Sensitivity Of Sea Level Change In Coastal Localities To The Geometry Of Polar Ice Mass Flux -- Supplemental Data Set: Sea Level Sensitivity Kernels Open
Quantifying the Sensitivity of Sea Level Change in Coastal Localities to the Geometry of Polar Ice Mass Flux SUPPLEMENTAL DATA SET: SEA LEVEL SENSITIVITY KERNELS To accompany Jerry X. Mitrovica, Carling C. Hay, Robert E. Kopp, Christopher …
View article: Quantifying The Sensitivity Of Sea Level Change In Coastal Localities To The Geometry Of Polar Ice Mass Flux -- Supplemental Data Set: Sea Level Sensitivity Kernels
Quantifying The Sensitivity Of Sea Level Change In Coastal Localities To The Geometry Of Polar Ice Mass Flux -- Supplemental Data Set: Sea Level Sensitivity Kernels Open
Quantifying the Sensitivity of Sea Level Change in Coastal Localities to the Geometry of Polar Ice Mass Flux SUPPLEMENTAL DATA SET: SEA LEVEL SENSITIVITY KERNELS To accompany Jerry X. Mitrovica, Carling C. Hay, Robert E. Kopp, Christopher …
View article: Quantifying The Sensitivity Of Sea Level Change In Coastal Localities To The Geometry Of Polar Ice Mass Flux -- Supplemental Data Set: Sea Level Sensitivity Kernels
Quantifying The Sensitivity Of Sea Level Change In Coastal Localities To The Geometry Of Polar Ice Mass Flux -- Supplemental Data Set: Sea Level Sensitivity Kernels Open
Quantifying the Sensitivity of Sea Level Change in Coastal Localities to the Geometry of Polar Ice Mass Flux SUPPLEMENTAL DATA SET: SEA LEVEL SENSITIVITY KERNELS To accompany Jerry X. Mitrovica, Carling C. Hay, Robert E. Kopp, Christopher …
View article: Monitoring southwest Greenland’s ice sheet melt with ambient seismic noise
Monitoring southwest Greenland’s ice sheet melt with ambient seismic noise Open
Researchers monitor southwest Greenland’s ice sheet mass changes by measuring seismic velocity variations in Greenland’s crust.
View article: Monitoring South-West Greenland's ice sheet melt with ambient seismic noise
Monitoring South-West Greenland's ice sheet melt with ambient seismic noise Open
The Greenland ice sheet presently accounts for ~70% of global ice sheet mass loss. Because this mass loss is associated with sea-level rise at a rate of 0.7 mm/year, the development of improved monitoring techniques to observe ongoing chan…