Filtering by Subject: Planetary Hydrology

Wave2Web: Near-real-time reservoir availability prediction for water security in India

Lucas Kruitwagen, Chris Arderne, Thomas Lees, et al.

Published: 2022-06-02
Subjects: Planetary Hydrology

By 2050, over half the world's population will live in water-stressed areas. Medium-term drought forecasting can help planners avoid ``day-zero'' events and adapt to climate change. Machine learning-based precipitation-runoff modelling enables the prediction of surface water flow using only the meteorological record of a water basin. In this work, we extend a Bayesian LSTM precipitation-runoff [...]

A minimally cemented shallow crust beneath InSight

Vashan Wright, Jhardel Dasent, Richard Kilburn, et al.

Published: 2022-04-21
Subjects: Planetary Geology, Planetary Geophysics and Seismology, Planetary Hydrology, Planetary Sciences, Planetary Sedimentology

Ice and other mineral cements in Mars’ shallow subsurface affect the mechanical properties of the shallow crust, the geologic processes that shape the planet’s surface, and the search for past or extant Martian life. Cements increase seismic velocities. We use rock physics models to infer cement properties from seismic velocities. Model results confirm that the upper 300 m of Mars beneath InSight [...]

A 18,000 yr record of tropical land temperature, convective activity and rainfall seasonality from the maritime continent

Rienk H. Smittenberg, Kweku A. Yamoah, Akkaneewut Chabangborn, et al.

Published: 2021-10-27
Subjects: Biogeochemistry, Climate, Earth Sciences, Geology, Physical Sciences and Mathematics, Planetary Hydrology

The maritime continent exports an enormous amount of heat and moisture to the rest of the globe via deep atmospheric convection. How this export has changed through time during the last deglacial period and through the Holocene, is hardly known yet critical for the understanding of global climate dynamics. Here we present a continuous paleoclimate record from southern Thailand covering the last [...]

Safety and Belonging in the Field: A Checklist for Educators

Sarah E Greene, Gawain T. Antell, Jake Atterby, et al.

Published: 2021-08-19
Subjects: Atmospheric Sciences, Biogeochemistry, Climate, Cosmochemistry, Earth Sciences, Education, Environmental Education, Environmental Health and Protection, Environmental Indicators and Impact Assessment, Environmental Monitoring, Environmental Sciences, Environmental Studies, Fresh Water Studies, Geochemistry, Geographic Information Sciences, Geography, Geology, Geomorphology, Geophysics and Seismology, Glaciology, Higher Education, Human Geography, Hydrology, Life Sciences, Meteorology, Mineral Physics, Natural Resource Economics, Natural Resources and Conservation, Natural Resources Management and Policy, Nature and Society Relations, Oceanography, Oceanography and Atmospheric Sciences and Meteorology, Oil, Gas, and Energy, Other Earth Sciences, Other Environmental Sciences, Other Geography, Other Oceanography and Atmospheric Sciences and Meteorology, Other Planetary Sciences, Outdoor Education, Paleobiology, Paleontology, Physical and Environmental Geography, Physical Sciences and Mathematics, Planetary Biogeochemistry, Planetary Geochemistry, Planetary Geology, Planetary Geomorphology, Planetary Geophysics and Seismology, Planetary Glaciology, Planetary Hydrology, Planetary Mineral Physics, Planetary Sciences, Planetary Sedimentology, Remote Sensing, Sedimentology, Social and Behavioral Sciences, Soil Science, Spatial Science, Speleology, Stratigraphy, Sustainability, Tectonics and Structure, Volcanology, Water Resource Management

Ensuring taught fieldwork is a positive, generative, collective, and valuable experience for all participants requires considerations beyond course content. To guarantee safety and belonging, participants’ identities (backgrounds and protected characteristics) must be considered as a part of fieldwork planning and implementation. Furthermore, getting fieldwork right is an important step in [...]

No cryosphere-confined aquifer below InSight on Mars

Michael Manga, Vashan Wright

Published: 2021-02-24
Subjects: Planetary Geophysics and Seismology, Planetary Hydrology, Planetary Sciences

The seismometer deployed by the InSight lander measured the seismic velocity of the Martian crust. We use a rock physics model to interpret those velocities and constrain hydrogeological properties. The seismic velocity of the upper ~10 km is too low to be ice-saturated. Hence there is no cryosphere that confines deeper aquifers. An increase in seismic velocity at depths of ~10 km could be [...]

A comprehensive study to understand the relationship of urbanization and population density with GRACE ΔTWS for selected study regions in India during 2003-2017

Amritendu Mukherjee, Parthasarathy Ramachandran

Published: 2020-10-24
Subjects: Environmental Indicators and Impact Assessment, Hydrology, Natural Resources and Conservation, Natural Resources Management and Policy, Planetary Hydrology, Remote Sensing, Sustainability, Water Resource Management

This work investigates the relationship between urbanization, population density and meteorological variables (temperature & precipitation) on groundwater storage in India during the period January'2003 to January'2017. Variations in groundwater storage have been analysed using Gravity Recovery and Climate Experiment (GRACE) derived variations of Terrestrial Water Storage (TWS). In the first part [...]

Preprint: Dataset of global extreme climatic indices due to an acceleration of ice sheet melting during the 21st century

Dimitri Defrance

Published: 2019-03-25
Subjects: Atmospheric Sciences, Climate, Oceanography and Atmospheric Sciences and Meteorology, Physical Sciences and Mathematics, Planetary Hydrology, Planetary Sciences

This article describes extreme indices maps (Data Cube, raster X Time) for different scenarios with a more important contribution to the sea level rise from Greenland and/or Antarctica during the 21st century under the Representative Concentration Pathway (RCP) 8.5 emission scenario. The indices are produced annually and globally with a resolution of 0.5°X0.5° from 1951 to 2099. The data were [...]

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