Filtering by Subject: Sustainability

Climate equivalence metrics for airline contrail mitigation

Henri Cornec, Zachary Wendling, Marc Shapiro, et al.

Published: 2024-07-10
Subjects: Climate, Environmental Indicators and Impact Assessment, Environmental Studies, Sustainability

The aviation sector faces a significant challenge in mitigating climate change due to the dual impact of CO2 emissions and contrail formation. Contrails, which form under specific atmospheric conditions, contribute to global warming. Mitigating contrails, however, can require flight path diversions, leading to increased fuel consumption and CO2 emissions. This study evaluates various climate [...]

HarvestGRID: High-resolution harvested crop areas of the United States from 1981 to 2019

Gambhir Lamsal, Landon Marston

Published: 2024-05-29
Subjects: Agriculture, Civil and Environmental Engineering, Engineering, Life Sciences, Sustainability, Water Resource Management

The United States is a major producer and exporter of agricultural goods, fulfilling global demands for food, fiber, and fuel while generating substantial economic benefits. Agriculture in the U.S. not only dominates land use but also ranks as the largest water-consuming sector. High-resolution cropland mapping and insights into cultivation trends are essential to enhance sustainable management [...]

Spatial Patterns of Urban Heat Islands and Green Space Cooling Effects in the Urban Microclimate of Karachi

Aly Muhammad Gajani

Published: 2024-05-22
Subjects: Climate, Environmental Sciences, Forest Sciences, Physical Sciences and Mathematics, Sustainability

With rapid urbanization and the increasing threats of climate change, metropolitan cities like Karachi, Pakistan, are encountering greater challenges due to the Urban Heat Island (UHI) phenomenon. Understanding the cooling potential of urban green spaces (UGS) is crucial for mitigating heat stress and enhancing urban resilience. This study aims to analyze the thermal dynamics and cooling efficacy [...]

Limited role of discharge in global river plastic transport

Caspar Roebroek, Adriaan J Teuling, Martine van der Ploeg, et al.

Published: 2024-04-23
Subjects: Hydrology, Sustainability, Water Resource Management

River plastic transport has been assumed to be driven by river discharge, although observational data does often not support this. We propose a new perspective that describes plastic transport as function of plastic availability and transport capacity. Plastic transport is under most circumstances driven by plastic availability, which is largely disconnected from river discharge. However, when [...]

Global patterns of commodity-driven deforestation and associated carbon emissions

Chandrakant Singh, U. Martin Persson

Published: 2024-04-18
Subjects: Environmental Monitoring, Natural Resource Economics, Statistical Models, Sustainability

Achieving global climate and biodiversity targets and ensuring future food security will require halting agriculture-driven deforestation. Accurate data on the commodities driving deforestation across time and space is crucial for informing policy development, implementation and evaluation. However, such information is currently hampered by limited and heterogeneous data availability (in both [...]

Estimating irrigation water use from remotely sensed evapotranspiration data: Accuracy and uncertainties at field, water right, and regional scales

Sam Zipper, Jude Kastens, Timothy Foster, et al.

Published: 2024-02-29
Subjects: Earth Sciences, Environmental Monitoring, Environmental Sciences, Hydrology, Sustainability, Water Resource Management

Irrigated agriculture is the dominant user of water globally, but most water withdrawals are not monitored or reported. As a result, it is largely unknown when, where, and how much water is used for irrigation. Here, we evaluated the ability of remotely sensed evapotranspiration (ET) data, integrated with other datasets, to calculate irrigation water withdrawals and applications in an intensively [...]

Wealth over Woe: global biases in hydro-hazard research

Lina Stein, S. Karthik Mukkavilli, Birgit M. Pfitzmann, et al.

Published: 2024-01-12
Subjects: Computer Sciences, Hydrology, Nature and Society Relations, Sustainability

Floods, droughts, and rainfall-induced landslides are hydro-geomorphic hazards that affect millions of people every year. Anticipation, mitigation, and adaptation to these hazards is increasingly outpaced by their changing magnitude and frequency due to climate change. A key question for society is whether the research we pursue has the potential to address knowledge gaps and to reduce potential [...]

Land transformation on multi-decadal timescales reveals expanding croplands and settlements at the expense of tree-covered areas and mangroves in Nigeria

Felicia O. Akinyemi, Chinwe Ifejika Speranza

Published: 2024-01-10
Subjects: Geographic Information Sciences, Remote Sensing, Spatial Science, Sustainability

Evaluating how land-cover is being transformed is essential to identify patterns necessary to infer the change trajectories and the driving factors. This study considers the case of Nigeria, where various natural ecosystems are being converted and for which a current national scale assessment is lacking. Producing Landsat-based time-series, we analyze change among land-cover types (i.e., [...]

The Certainty of Uncertainty in Atmospheric CO2 Removal: A Crisis-Response Abrupt Mitigation Scenario (CRAMS)

Anqi Chen, Bo-Lin Lin

Published: 2023-12-04
Subjects: Climate, Sustainability

The gap between current emission trend and the expected 1.5 °C warming target forces the deployment of different carbon dioxide removal technologies (CDRs). Even though large discrepancies and uncertainties presents in studies investigating the CDR potentials, costs and side effects of bio-energy with carbon capture and storage (BECCS), direct air capture with CO2 storage (DACCS) and enhanced [...]

Looking upstream: analyzing the protection of the drainage area of Amazon rivers

Rosane Barbosa Lopes Cavalcante, Ayan Santos Fleischmann, PAULO ROGENES MONTEIRO PONTES

Published: 2023-11-13
Subjects: Earth Sciences, Environmental Indicators and Impact Assessment, Environmental Sciences, Hydrology, Sustainability, Water Resource Management

In the Amazon, aquatic ecosystems provide essential ecosystem services, including transportation, food, and livelihoods for millions of species. Land use changes and management impact these ecosystem services, and these impacts are not limited to the specific areas where they occur but propagate downstream along the drainage network. However, assessment of the accumulated human footprint upstream [...]

Systematic losses in tree-canopy cover over three decades revealed by integrating complementary data sources

Ruben Remelgado, Carsten Meyer

Published: 2023-11-02
Subjects: Environmental Monitoring, Sustainability

Losses and gains in canopy cover of the world’s tree canopies affect carbon stocks, species habitats, water cycles, and human livelihoods. Consistent and multi-decadal global data on tree-canopy cover dynamics are needed for modelling climate scenarios, tracking progress towards restoration targets, and diverse other research, management and policy applications. However, most data only map binary [...]

A Deep Learning framework to map riverbed sand mining budgets in large tropical deltas

Sonu Kumar, Edward Park, Dung Duc Tran, et al.

Published: 2023-10-19
Subjects: Computer Sciences, Earth Sciences, Environmental Education, Environmental Health and Protection, Environmental Monitoring, Environmental Sciences, Natural Resource Economics, Natural Resources and Conservation, Natural Resources Management and Policy, Other Environmental Sciences, Planetary Geomorphology, Planetary Sedimentology, Sustainability, Water Resource Management

Rapid urbanization has dramatically increased the demand for river sand, leading to soaring sand extraction rates that often exceed natural replenishment in many rivers globally. However, our understanding of the geomorphic and social-ecological impacts arising from Sand Mining (SM) remains limited, primarily due to insufficient data on sand extraction rates. Conventionally, bathymetry surveys [...]

Mapping the Landscape of Water and Society Research: Promising Combinations of Compatible and Complementary Disciplines

Marc F Müller, Maria Rusca, Leonardo Bertassello, et al.

Published: 2023-10-13
Subjects: Environmental Education, Environmental Engineering, Environmental Studies, Geographic Information Sciences, Human Geography, Hydraulic Engineering, Hydrology, Natural Resource Economics, Natural Resources Management and Policy, Physical and Environmental Geography, Spatial Science, Sustainability, Water Resource Management

Coupled human-water systems (CHWS) are diverse and have been studied across a wide variety of disciplines. Integrating multiple disciplinary perspectives on CHWS provides a comprehensive and actionable understanding of these complex systems. While interdisciplinary integration has often remained elusive, specific combinations of disciplines might be comparably easier to integrate (compatible) [...]

Flight quotas outperform focused mitigation strategies in reducing the carbon footprint of academic travel

Tamara Ben Ari, Gaëlle Lefort, Jérome Mariette, et al.

Published: 2023-10-02
Subjects: Sustainability

The carbon footprint of academia has become a prominent concern and a burgeoning research area, with a notable focus on greenhouse gas emissions (GHG) from research-related travels. Mitigation strategies often promote alternatives, such as developing virtual communication or adopting sustainable transportation modes for short distances. While more ambitious strategies involving the transformation [...]

Groundwaterscapes: A global classification and mapping of groundwater’s large-scale socioeconomic, ecological, and Earth system functions

Xander Huggins, Tom Gleeson, Karen G. Villholth, et al.

Published: 2023-09-20
Subjects: Hydrology, Other Civil and Environmental Engineering, Physical and Environmental Geography, Spatial Science, Sustainability, Water Resource Management

Groundwater is a dynamic component of the global water cycle with important social, economic, ecological, and Earth system functions. We present a new global classification and mapping of groundwater systems, which we call groundwaterscapes, that represent predominant configurations of large-scale groundwater system functions. We identify 18 groundwaterscapes, which offer a new lens to [...]


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