Results 151 to 160 of about 18,565 (272)

An Isotope‐Based Snapshot Reveals the Combined Influence of High‐Elevation Recharge and Local Return Flows on Groundwater Across Guatemala City

open access: yesHydrological Processes, Volume 40, Issue 6, June 2026.
Representation (not to scale) of potential high elevation recharge and low elevation return flows within the Guatemala City metropolitan area. ABSTRACT Guatemala City is the most populous urban center in Central America. In this urban center, groundwater extraction within the last 40 years has substantially declined water table levels and accelerated ...
Ricardo Sánchez‐Murillo   +3 more
wiley   +1 more source

Relative Agronomic Effectiveness of Struvite Phosphorus for Perennial Ryegrass (Lolium perenne) in Contrasting Grassland Soils

open access: yesNew Zealand Journal of Agricultural Research, Volume 69, Issue 3, June 2026.
New Zealand grassland systems rely heavily on imported phosphorus (P), yet conventional water‐soluble fertilizers such as single superphosphate are used inefficiently and contribute to legacy P accumulation and water quality risks. Recovered P from wastewater, such as sparingly soluble struvite (MgNH4PO4·6H2O), offers a potentially more sustainable ...
Florencia DeLucca‐Agrelo   +2 more
wiley   +1 more source

Production of Composts from Cheese Whey and Agro-Livestock and Their Valorization in Volcanic-Ash-Affected Soil Cultivated with <i>Lactuca sativa</i> L. [PDF]

open access: yesPlants (Basel)
Ramos-Romero S   +9 more
europepmc   +1 more source

Loess Studies in Aotearoa New Zealand

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 69, Issue 2, June 2026.
Loess in Aotearoa New Zealand (ANZ) has been studied since its first documented recognition (on Banks Peninsula) in 1878 by Julius von Haast. A decade later, John Hardcastle revealed that southern ANZ loess was both glacial in origin and contained signals of past climates.
Brent V. Alloway   +4 more
wiley   +1 more source

An Overview of Tsunami Hazards in the Southwest Pacific Ocean

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 69, Issue 2, June 2026.
The southwest Pacific region is geologically complex and exhibits all the principal causes of tsunami generation. While contemporary events and historical catalogs indicate that trans‐Pacific tsunamis have affected this area (∼18% of tsunamis reported globally), it is unique in that a large part of the tsunami effects over the ∼200‐year historical ...
Jean H. M. Roger   +13 more
wiley   +1 more source

Effect of Processed Volcanic Ash as Active Mineral Addition for Cement Manufacture. [PDF]

open access: yesMaterials (Basel), 2022
Rosales J   +4 more
europepmc   +1 more source

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