Results 41 to 50 of about 1,668,401 (374)

Dynamic Multi-Factor Clustering of Financial Networks [PDF]

open access: yesPhysical Review E (2014), 89: 022809, 2015
We investigate the tendency for financial instruments to form clusters when there are multiple factors influencing the correlation structure. Specifically, we consider a stock portfolio which contains companies from different industrial sectors, located in several different countries.
arxiv   +1 more source

The Role of Physical Geographic Features in Video Games [PDF]

open access: yes, 2022
This thesis examines how physical geographic features affect individuals when interacting with video game environments. There are very few studies on the geography of video games.
Ferguson, Dexter
core   +1 more source

Paisagens do Rio Grande do Norte: uma introdução às diversidades regionais e marcas das ações geográficas no espaço potiguar

open access: yesConfins, 2018
This article presents introductory reflections on the category of geographical landscape, considered in the context of the state of Rio Grande do Norte territory.
Rodrigo de Freitas Amorim   +2 more
doaj   +1 more source

Rainfall and human activity impacts on soil losses and rill erosion in vineyards (Ruwer Valley, Germany) [PDF]

open access: yesSolid Earth, 2015
Vineyards are one of the eco-geomorphological systems most conditioned by human activity in Germany. The vineyards of the Ruwer Valley (Germany) are characterized by high soil erosion rates and rill problems on steep slopes (between 23 and 26°) caused by
J. Rodrigo Comino   +8 more
doaj   +1 more source

Integration between Physical Geography and Human Geography

open access: yesRedai dili
The two branches of physical and human geography have become increasingly prominent in geography. This division is evident in the choice of topics, the selection of publication journals, and the subjects of academic dialogue. Therefore, this relationship
Tang Maolin
doaj   +1 more source

Statistical analysis of heat waves in the southern slopes of Alborz [PDF]

open access: yesتحقیقات کاربردی علوم جغرافیایی, 2023
Heat waves are important phenomena in Iran, And its upsurge in recent years seems to have a high upside trend.This climate has a negative impact on agriculture, forest fire and forestry, water resources, energy use and human health.The purpose of the ...
Zienab Hosinpoor   +3 more
doaj  

Common irrigation drivers of freshwater salinisation in river basins worldwide

open access: yesNature Communications, 2021
Freshwater salinisation is a growing water quality problem, but impacts and drivers across regional to global scales have been lacking. A new assessment of inter-regional freshwater salinisation demonstrates the importance of irrigation as a driver of ...
Josefin Thorslund   +4 more
doaj   +1 more source

Physical Geography

open access: yesBulletin of the American Geographical Society, 1908
Includes index. ; At head of title: Maury-Simonds physical geography. ; Mode of access: Internet.
Maury, Matthew Fontaine, 1806-1873.   +1 more
openaire   +1 more source

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