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AGU Commentaries

This Special Collection brings together commentaries published across all of AGU's journals. These discuss significant research, current research trends, science policy, and other topics of general interest, and are invited by the editors of each journal. Each commentary is freely available.

The Arctic: An AGU Joint Special Collection

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Last updated:
22 July 2016
The Arctic has become the focus of many new investigations and studies across a number of disciplines. In many cases, this research is integrating diverse new data sets, observations, and modeling, and making connections among and across the biosphere, oceans, atmospheres, space, and geophysical environments. These papers include historical and new research on the Arctic and represent the following AGU journals: Earth’s Future, Earth and Space Science, Geochemistry Geophysics Geosystems (G-Cubed), Geophysical Research Letters, Global Biogeochemical Cycles, JAMES (Journal of Advances in Modeling Earth Systems), JGR: Oceans, JGR: Atmospheres, JGR: Solid Earth, JGR: Space Physics, JGR: Biogeosciences, JGR: Earth’s Surface, Reviews of Geophysics, Space Weather, and Water Resources Research.

Patterns in Soil-Vegetation-Atmosphere Systems: Monitoring, Modelling and Data Assimilation

Published:
1 November 2014

This special issue includes papers on patterns in soil-vegetation-atmosphere systems including integrated subsurface-land surface-atmosphere system from the micro to the meso-scale. Papers deal with the application of novel experimental and theoretical approaches to characterize patterns and structures of the pore space, physiochemical properties, vegetation and soil cover, surface subsurface hydrologic processes, and processes of the atmospheric boundary layer influencing interactions in the mass/momentum/energy fluxes.

Hydroepidemiology: A pathway to link hydrology and climate with human health

Published:
1 December 2014

The papers in this special issue deal with the boundaries of hydroclimate and water-related public health domains, which address how hydrology can help understand and predict disease outbreak. Topics include hydrologic understanding of disease such as cholera, Schistosomiasis, malaria, west Nile virus, yellow fever, Chagas’ disease and dengue.

 

Oceanic Sources of Continental Precipitation

Published:
1 June 2014
The main topic of the special section is the oceanic sources of continental precipitation. Subtopics to be included (but not rigorously limited to them) are: (1) global distribution of water vapor: evaporation and precipitation evaporation hot spots anomalies of moisture transport linked to drought periods; (5) low-level jets warm pools monsoons and their role in the transport of moisture; (6) the identification and characteristics of moisture sources within the scope of paleoclimatic studies; and (7) implications of climate change: changes in water vapor changes in large-scale circulation related to moisture transport, changes in precipitation, aridity and soil moisture.

Toward Sustainable Groundwater in Agriculture

Published:
1 June 2012
T. Harter
This special issue defines and highlights the science, challenges, and potential policy solutions in agricultural groundwater resources management and groundwater quality protection at regional, national, and global scales. Groundwater is the lifeline for many rural and agricultural regions and their associated cultures and populations around the globe, and a cornerstone of global food production. Groundwater constitutes nearly half of the world's drinking water and much of the world's irrigation water supply. Population growth, overexploitation, salinization, nonpoint source pollution from agricultural activities (including animal farming, ranching, and forestry activities), impacts to surface water, and groundwater quality and quantity conflicts at the urban-rural interface have reached global dimensions and affect health and livelihoods around the planet.

Water Resources in the Murray-Darling Basin: Past, Present, and Future

Published:
1 December 2011
The Murray-Darling Basin (MDB) (~1 million km2) occupies nearly all of mainland southeast Australia except for a small sliver along the coastal fringe. Around 10% of the Australian population (~2 million people) live within the basin, and MDB farms produce around 40% of the Australian agricultural output.

Problems and Issues in the Validity of Benefit Transfer Methodologies

Published:
1 March 1992
The focus of this special section is the conceptual and empirical issues regarding benefit transfer applications. A benefit transfer is the application of monetary values obtained from a particular nonmarket goods analysis to an alternative or secondary policy decision setting. The papers address the ongoing development of the procedures for benefit transfers through a case study approach.