Results 41 to 50 of about 6,113,842 (346)

The temporal evolution of income polarization in Canada's largest CMAs.

open access: yesPLoS ONE, 2021
Income polarization is a pressing issue which is increasingly discussed by academics and policymakers. The present research examines income polarization in Canada's eight largest Census Metropolitan Areas (CMAs) using data at the census-tract (CT) level ...
Lazar Ilic, M Sawada
doaj   +1 more source

Emerging hot spot analysis and the spatial–temporal trends of NDVI in the Jing River Basin of China

open access: yesEnvironmental Earth Sciences, 2022
As an important indicator of vegetation coverage, the normalized difference vegetation index (NDVI) reflects the changing pattern and evolving trend of the environment. In the Loess Plateau, vegetation plays a critical role in soil and water conservation,
Bin Xu   +5 more
semanticscholar   +1 more source

Temporal and spatial trends for trace metals in streams and rivers across Sweden (1996-2009) [PDF]

open access: yes, 2011
Long term data series (1996 through 2009) for trace metals were analyzed from a large number of streams and rivers across Sweden varying in tributary watershed size from 0.05 to 48 193 km(2).
Fölster, Jens   +9 more
core   +1 more source

Regional differences in spatial flexibility : long commutes and job related migration intentions in the Netherlands

open access: yes, 2016
Spatial flexibility of the workforce is important in clearing regional labour markets. Workers’ spatial flexibility is limited and many European countries are developing policies to enhance the spatial flexibility of the labour force.
Van Ham, Maarten, Hooimeijer, P
core   +1 more source

Spatial trends in United States tornado frequency

open access: yesnpj Climate and Atmospheric Science, 2018
Severe thunderstorms accompanied by tornadoes, hail, and damaging winds cause an average of 5.4 billion dollars of damage each year across the United States, and 10 billion-dollar events are no longer uncommon.
Vittorio A. Gensini, H. Brooks
semanticscholar   +1 more source

Trends and spatial patterns in agricultural productivity in Africa, 1961-2010

open access: yes, 2021
The Comprehensive Africa Agriculture Development Programme (CAADP) provides an agriculture-led integrated framework of development priorities aimed at reducing poverty and increasing food security by achieving an average of 6 percent agricultural growth ...
http://orcid.org/0000-0003-4313-1820 Benin, Sam; http://orcid.org/0000-0002-5999-4009 Guo, Zhe; http://orcid.org/0000-0001-9144-2127 Nin Pratt, Alejandro;   +1 more
core   +1 more source

Ambient ozone phytotoxic potential over the Czech forests as assessed by AOT40

open access: yesiForest - Biogeosciences and Forestry, 2012
Ambient ozone (O3) represents one of the most prominent air pollution problems in Europe. We present an analysis on O3 with respect to its phytotoxic potential over Czech forests between 1994 and 2008.
Hunová I, Schreiberová M
doaj   +1 more source

Modelling spatial trends in sorghum breeding field trials using a two-dimensional P-spline mixed model

open access: yesTheoretical and Applied Genetics, 2017
Key messageA flexible and user-friendly spatial method called SpATS performed comparably to more elaborate and trial-specific spatial models in a series of sorghum breeding trials.AbstractAdjustment for spatial trends in plant breeding field trials is ...
J. G. Velazco   +6 more
semanticscholar   +1 more source

Spatial and temporal trends of conjunctivitis in Uganda, 2020–2023: A nationwide surveillance analysis

open access: yesJournal of Interventional Epidemiology and Public Health
Introduction: Conjunctivitis is a common ocular condition with multiple infectious and non-infectious causes and remains an important public health concern in low-resource settings.
Gertrude Abbo   +6 more
doaj   +1 more source

East Sarajevo (Bosnia and Herzegovina) twenty years later: Changes in land use [PDF]

open access: yesGeographica Pannonica, 2016
The city of East Sarajevo is a newborn city, formed twenty years ago, after the war in Bosnia and Herzegovina, in the area of the former southern and eastern Sarajevo municipalities.
Drašković Branislav   +2 more
doaj  

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