Results 31 to 40 of about 392 (139)

Simultaneous Generation of Topographic Models and Manning Roughness Coefficient Maps From Tri‐Stereoscopic Satellite Images: Application to the Huarmey River, Peru

open access: yesThe Photogrammetric Record, Volume 41, Issue 195, July‐September 2026.
Tri‐stereoscopic PeruSat‐1 imagery enables the simultaneous generation of 0.70 m‐resolution topography and spatially distributed Manning roughness maps, achieving 0.434 m vertical accuracy. Integrated into HEC‐RAS, these products provide consistent, high‐resolution inputs that improve hydraulic modelling and flood risk assessment in data‐scarce river ...
Jorge L. Miranda‐Pita   +3 more
wiley   +1 more source

From pollen provision to pollinator: Species‐specific sterol assimilation by wild bees in urban landscapes

open access: yesFunctional Ecology, Volume 40, Issue 6, Page 1906-1920, June 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Human‐driven landscape change, particularly urbanization, is reshaping pollinator communities, yet the functional traits that mediate species persistence remain poorly understood. Dietary specialization is commonly used to predict species vulnerability.
Yan Yang   +5 more
wiley   +1 more source

Repenser les luttes pour l’accès à la terre dans la ville postindustrielle

open access: yesLien Social et Politiques, 2023
Les politiques raciales et culturelles concernant l’accès à la terre et la propriété sont au coeur des luttes urbaines, mais ont reçu relativement peu d’attention de la part des géographes.
Sara Safransky
doaj   +1 more source

Views of Vidigal: negotiating opportunities and risks in a gentrifying favela in Rio de Janeiro Favela avec vue : négocier opportunités et risques dans un quartier en voie de gentrification à Rio de Janeiro

open access: yesJournal of the Royal Anthropological Institute, Volume 32, Issue 2, Page 554-574, June 2026.
The contested dynamics of slum gentrification in Rio de Janeiro came into focus during the brief period of relative peace brought by the pacification policy leading up to the 2016 Olympics. In this unprecedented moment, Rio's South Zone favela residents experienced a respite from the daily confrontations with police operations and drug trade violence ...
Angela Torresan
wiley   +1 more source

Loisirs et Productions Spatio-temporelles Citadines à l’Époque Coloniale au Mozambique et à Madagascar (v. 1900-v. 1970)

open access: yesCadernos de Estudos Africanos, 2016
Si un grand nombre d’activités de loisirs sont une invention occidentale transplantée aux colonies, plusieurs études ont montré leur appropriation précoce par les colonisés, notamment en Afrique.
Didier Nativel
doaj   +1 more source

Metropolitan areas, environmental quality, and talent: Inter‐urban migration of higher education students in Canada, 2019–2020

open access: yesCanadian Geographies / Géographies canadiennes, Volume 70, Issue 3, Autumn / automne 2026.
Abstract This study analyzes the inter‐urban migration of approximately 154,000 higher education students within 17 Canadian census metropolitan areas in the academic year prior to the onset of the COVID‐19 pandemic (2019–2020). Using novel linked data from alternative sources, we applied linear regression and standard cross‐classified multilevel ...
Ebenezer D. Narh, Michael Buzzelli
wiley   +1 more source

How “visible” is urban agriculture in Cameroon? Mapping urban agriculture practices by satellite imagery and field surveys

open access: yesCanadian Geographies / Géographies canadiennes, Volume 70, Issue 3, Autumn / automne 2026.
Abstract Urban agriculture (UA), although promoted in numerous sustainability agendas, has been ignored in public policies of many African countries. This study evaluates the effectiveness of interviews and mapping techniques for characterizing UA and facilitating informed decision making at the local level.
Paul Emile Tchinda   +1 more
wiley   +1 more source

Marécages, une pollution par essence? Conditions d'une écopoétique des marais et autres zones humides au XXe siècle

open access: yesOrbis Litterarum, Volume 81, Issue 3, Page 271-280, June 2026.
Abstract To expose the pollution of marshes and swamps, whether by hydrocarbons or other contaminants, the French or Francophone author of the twentieth century must first confront a literary tradition that equates stagnant water with a volatile poison and, more broadly, wetlands with toxic environments. In his article “Wetland Gloom and Wetland Glory,”
François Sagot
wiley   +1 more source

Tourisme et décroissance : une revue de littérature pour établir des pistes de recherche pour les territoires de montagne

open access: yesRevue de Géographie Alpine
La décroissance dans le secteur touristique est un champ d’étude récent. Et pour le moment, peu de recherches se sont focalisées sur la décroissance du tourisme dans les territoires de montagne.
Clémence Perrin-Malterre
doaj   +1 more source

When honeybees come to town: Critical aspects of urban beekeeping and opportunities for regulation

open access: yesPeople and Nature, Volume 8, Issue 3, Page 528-540, March 2026.
Abstract Urban areas are increasingly valued for their role in conserving wild pollinators. Honeybees are often regarded as ambassador species for pollinator conservation, and beekeeping is frequently perceived as a pro‐biodiversity activity, which has become highly popular in urban areas.
Joan Casanelles‐Abella   +5 more
wiley   +1 more source

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