Articles | Volume 14, issue 6
https://doi.org/10.5194/essd-14-2865-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-14-2865-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
High-temporal-resolution hydrometeorological data collected in the tropical Cordillera Blanca, Peru (2004–2020)
Department of Geography, Byrd Polar and Climate Research Center, The
Ohio State University, Columbus, OH, USA
Bryan G. Mark
Department of Geography, Byrd Polar and Climate Research Center, The
Ohio State University, Columbus, OH, USA
Robert Å. Hellström
Department of Geography, Bridgewater State University, Bridgewater,
MA, USA
Michel Baraer
Département de génie de la construction, École de
technologie supérieure, Montreal, QC, Canada
Jeffrey M. McKenzie
Department of Earth and Planetary Sciences, McGill University,
Montreal, QC, Canada
Thomas Condom
Université Grenoble Alpes, CNRS, IRD, Grenoble-INP, Institut des
Géosciences de l'Environnement (IGE, UMR 5001), Grenoble, France
Alejo Cochachín Rapre
Peruvian National Water Authority, Division of Glaciers and Water
Resources, Huaraz, Peru
Gilber Gonzales
Peruvian National Water Authority, Division of Glaciers and Water
Resources, Huaraz, Peru
Joe Quijano Gómez
Peruvian National Water Authority, Division of Glaciers and Water
Resources, Huaraz, Peru
Rolando Cesai Crúz Encarnación
Peruvian National Water Authority, Division of Glaciers and Water
Resources, Huaraz, Peru
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Permafrost dynamics at Aiguille du Midi in the French Alps was investigated using Automated Electrical Resistivity Tomography (A-ERT) during four years. A-ERT reveals seasonal and multi-year permafrost changes. Temperatures estimated using resistivity measurements provide a good agreement with measured temperature in borehole in frozen zone. Variations in active layer thickness across different faces were observed, along with a slight decrease in permafrost resistivity suggesting warming.
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Tal Y. Shutkin, Bryan G. Mark, Nathan D. Stansell, Rolando Cruz Encarnación, Henry H. Brecher, Zhengyu Liu, Bidhyananda Yadav, and Forrest S. Schoessow
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Queshque Glacier, a tropical glacier located in central Peru, has lost about 22.5 million cubic meters of water since 2008. Despite a possible increase in recent snowfall, our research shows that ice loss has been caused by steadily warming temperatures. We also see that the formation of a new lake at the base of the glacier has sped up Queshque’s rate of retreat. We find that changes in glacier water storage are increasingly related to conditions in the Pacific Ocean during the austral summer.
Kara A. Lamantia, Laura J. Larocca, Lonnie G. Thompson, and Bryan G. Mark
The Cryosphere, 18, 4633–4644, https://doi.org/10.5194/tc-18-4633-2024, https://doi.org/10.5194/tc-18-4633-2024, 2024
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Glaciers that exist within tropical regions are vital water resources and excellent indicators of a changing climate. We use satellite imagery analysis to detect the boundary between snow and ice on the Quelccaya Ice Cap (QIC), Peru, which indicates the ice cap's overall health. These results are analyzed with other variables, such as temperature, precipitation, and sea surface temperature anomalies, to better understand the factors and timelines driving the ice retreat.
Alexis Caro, Thomas Condom, Antoine Rabatel, Nicolas Champollion, Nicolás García, and Freddy Saavedra
The Cryosphere, 18, 2487–2507, https://doi.org/10.5194/tc-18-2487-2024, https://doi.org/10.5194/tc-18-2487-2024, 2024
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The glacier runoff changes are still unknown in most of the Andean catchments, thereby increasing uncertainties in estimating water availability, especially during the dry season. Here, we simulate glacier evolution and related glacier runoff changes across the Andes between 2000 and 2019. Our results indicate a glacier reduction in 93 % of the catchments, leading to a 12 % increase in glacier melt. These results can be downloaded and integrated with discharge measurements in each catchment.
Vasana Dharmadasa, Christophe Kinnard, and Michel Baraër
The Cryosphere, 17, 1225–1246, https://doi.org/10.5194/tc-17-1225-2023, https://doi.org/10.5194/tc-17-1225-2023, 2023
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Rubén Basantes-Serrano, Antoine Rabatel, Bernard Francou, Christian Vincent, Alvaro Soruco, Thomas Condom, and Jean Carlo Ruíz
The Cryosphere, 16, 4659–4677, https://doi.org/10.5194/tc-16-4659-2022, https://doi.org/10.5194/tc-16-4659-2022, 2022
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We assessed the volume variation of 17 glaciers on the Antisana ice cap, near the Equator. We used aerial and satellite images for the period 1956–2016. We highlight very negative changes in 1956–1964 and 1979–1997 and slightly negative or even positive conditions in 1965–1978 and 1997–2016, the latter despite the recent increase in temperatures. Glaciers react according to regional climate variability, while local humidity and topography influence the specific behaviour of each glacier.
Eole Valence, Michel Baraer, Eric Rosa, Florent Barbecot, and Chloe Monty
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The internal properties of the snow cover shape the annual hygrogram of northern and alpine regions. This study develops a multi-method approach to measure the evolution of snowpack internal properties. The snowpack hydrological property evolution was evaluated with drone-based ground-penetrating radar (GPR) measurements. In addition, the combination of GPR observations and time domain reflectometry measurements is shown to be able to be adapted to monitor the snowpack moisture over winter.
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Soil freezing characteristic curves (SFCCs) relate the temperature of a soil to its ice content. SFCCs are needed in all physically based numerical models representing freezing and thawing soils, and they affect the movement of water in the subsurface, biogeochemical processes, soil mechanics, and ecology. Over a century of SFCC data exist, showing high variability in SFCCs based on soil texture, water content, and other factors. This repository summarizes all available SFCC data and metadata.
Romina Llanos, Patricia Moreira-Turcq, Bruno Turcq, Raúl Espinoza Villar, Yizet Huaman, Thomas Condom, and Bram Willems
Biogeosciences Discuss., https://doi.org/10.5194/bg-2022-47, https://doi.org/10.5194/bg-2022-47, 2022
Manuscript not accepted for further review
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Groundwater is an underappreciated catalyst of environmental change in a warming Arctic. We provide evidence of how changing groundwater systems underpin surface changes in the north, and we argue for research and inclusion of cryohydrogeology, the study of groundwater in cold regions.
Anna Chesnokova, Michel Baraër, and Émilie Bouchard
The Cryosphere, 14, 4145–4164, https://doi.org/10.5194/tc-14-4145-2020, https://doi.org/10.5194/tc-14-4145-2020, 2020
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In the context of a ubiquitous increase in winter discharge in cold regions, our results show that icing formations can help overcome the lack of direct observations in these remote environments and provide new insights into winter runoff generation. The multi-technique approach used in this study provided important information about the water sources active during the winter season in the headwaters of glacierized catchments.
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Short summary
This article presents detailed and comprehensive hydrological and meteorological datasets collected over the past two decades throughout the Cordillera Blanca, Peru. With four weather stations and six streamflow gauges ranging from 3738 to 4750 m above sea level, this network displays a vertical breadth of data and enables detailed research of atmospheric and hydrological processes in a tropical high mountain region.
This article presents detailed and comprehensive hydrological and meteorological datasets...
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