Search Results - "Mallast, Ulf"
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A way to determine groundwater contributions to large river systems: The Elbe River during drought conditions
Published in Journal of hydrology. Regional studies (01-12-2023)“…Our study region extends over 450 stream km of the German part of the Elbe River, an ecologically and economically important first order river, between Schöna…”
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Remote Sensing of Geomorphodiversity Linked to Biodiversity—Part III: Traits, Processes and Remote Sensing Characteristics
Published in Remote sensing (Basel, Switzerland) (01-05-2022)“…Remote sensing (RS) enables a cost-effective, extensive, continuous and standardized monitoring of traits and trait variations of geomorphology and its…”
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The eLTER research infrastructure: Current design and coverage of environmental and socio-ecological gradients
Published in Environmental and sustainability indicators (01-09-2024)“…Addressing global change requires standardised observations across all ecosystem spheres. To that end, the distributed Integrated European Long-Term Ecosystem,…”
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A State-Of-The-Art Perspective on the Characterization of Subterranean Estuaries at the Regional Scale
Published in Frontiers in earth science (Lausanne) (14-05-2021)“…Subterranean estuaries the, subsurface mixing zones of terrestrial groundwater and seawater, substantially influence solute fluxes to the oceans. Solutes…”
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Submarine Groundwater Discharge at a Single Spot Location: Evaluation of Different Detection Approaches
Published in Water (Basel) (01-03-2014)“…Submarine groundwater discharge (SGD) into the ocean is of general interest because it acts as vehicle for the transport of dissolved contaminants and/or…”
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Evidence for Submarine Groundwater Discharge into the Black Sea—Investigation of Two Dissimilar Geographical Settings
Published in Water (Basel) (01-07-2017)“…The sustainable management of coastal marine environments requires a comprehensive understanding of the processes related to material transport from land to…”
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Airborne Thermal Data Identifies Groundwater Discharge at the North-Western Coast of the Dead Sea
Published in Remote sensing (Basel, Switzerland) (01-12-2013)“…A qualitative and quantitative monitoring of groundwater discharge was conducted based on an airborne thermal campaign undertaken along the north-western coast…”
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Contribution of groundwater-borne nutrients to eutrophication potential and the share of benthic algae in a large lowland river
Published in The Science of the total environment (15-11-2024)“…Groundwater inflow can be a significant source of nutrients for riverine ecosystems, which can affect eutrophication i.e., the elevated primary production and…”
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Combining continuous spatial and temporal scales for SGD investigations using UAV-based thermal infrared measurements
Published in Hydrology and earth system sciences (11-03-2019)“…Submarine groundwater discharge (SGD) is highly variable in spatial and temporal terms due to the interplay of several terrestrial and marine processes. While…”
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Spatial upscaling of CO2 emissions from exposed river sediments of the Elbe River during an extreme drought
Published in Ecohydrology (01-09-2020)“…Droughts lead to falling river water levels and consequently expose river sediments. It is well known that from these exposed aquatic sediments, CO2 emits to…”
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Calculating man-made depletion of a stressed multiple aquifer resource on a national scale
Published in The Science of the total environment (10-07-2020)“…An inexorable depletion of groundwater occurs where groundwater abstraction exceeds the natural recharge, a typical state of (semi-)arid regions, which calls…”
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Spatial upscaling of CO 2 emissions from exposed river sediments of the Elbe River during an extreme drought
Published in Ecohydrology (01-09-2020)“…Abstract Droughts lead to falling river water levels and consequently expose river sediments. It is well known that from these exposed aquatic sediments, CO 2…”
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Groundwater evaporation from salt pans: Examples from the eastern Arabian Peninsula
Published in Journal of hydrology (Amsterdam) (01-12-2015)“…•Groundwater evaporation from salt pans is a major component in the water balance.•A total salt pan area of 36,500km2 is derived from satellite image…”
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Seasonal variability of land-ocean groundwater nutrient fluxes from a tropical karstic region (southern Java, Indonesia)
Published in Journal of hydrology (Amsterdam) (01-10-2018)“…•Land-ocean groundwater nutrient fluxes in southern Java (Indonesia) vary seasonally.•Groundwater discharge dominantly controls nutrient fluxes which are high…”
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A multi-environmental tracer study to determine groundwater residence times and recharge in a structurally complex multi-aquifer system
Published in Hydrology and earth system sciences (16-01-2020)“…Despite being the main drinking water resource for over 5 million people, the water balance of the Eastern Mountain Aquifer system on the western side of the…”
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New perspectives on interdisciplinary earth science at the Dead Sea: The DESERVE project
Published in The Science of the total environment (15-02-2016)“…The Dead Sea region has faced substantial environmental challenges in recent decades, including water resource scarcity, ~1m annual decreases in the water…”
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In situ observations of turbulent ship wakes and their spatiotemporal extent
Published in Ocean science (27-09-2021)“…In areas of intensive ship traffic, ships pass every 10 min. Considering the amount of ship traffic and the predicted increase in global maritime trade, there…”
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Ideas and perspectives: Land–ocean connectivity through groundwater
Published in Biogeosciences (10-02-2023)“…For millennia, humans have gravitated towards coastlines for their resource potential and as geopolitical centres for global trade. A basic requirement…”
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Challenges to estimate surface- and groundwater flow in arid regions: the Dead Sea catchment
Published in The Science of the total environment (01-07-2014)“…The overall aim of the this study, which was conducted within the framework of the multilateral IWRM project SUMAR, was to expand the scientific basement to…”
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Localisation and temporal variability of groundwater discharge into the Dead Sea using thermal satellite data
Published in Environmental earth sciences (01-05-2013)“…The semi-arid region of the Dead Sea heavily relies on groundwater resources. This dependence is exacerbated by both population growth and agricultural…”
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