Results 21 to 30 of about 923 (195)

Assessment of Groundwater Quality Spatial Distribution and Appointment Optimize Network of Shahrkord Plain Aquifer Using Geostatistical Methods [PDF]

open access: yesپژوهش‌های آبخیزداری, 2019
As the most valuable natural resources, protection and management of groundwater is vital. One of the best ways to protect groundwater resources is monitoring groundwater quality spatial variationsand then managing the water resources exploitations and ...
Mehdi Abdollahi Mansourkhani   +3 more
doaj   +1 more source

Assessment spatial variability of rainfall erosivity factor (Case study: Fars Province) [PDF]

open access: yesنشریه جغرافیا و برنامه‌ریزی, 2019
Rainfall erosivity factor is the most important factor influencing soil erosion. Various indicators has been developed to quantify it. Selection the appropriate index due to ecological conditions is necessary.
somyyeh Soltanei   +2 more
doaj  

Variabilidade espacial de propriedades físico-hídricas de um nitossolo sob a cultura do feijoeiro irrigado Spatial distribution of physical-hydric properties of a nitosols under irrigated bean crop

open access: yesEngenharia Agrícola, 2010
Devido à utilização mais intensa de água via irrigação e ao elevado custo que tem sido agregado a este recurso, é necessário que os sistemas de irrigação operem com altos níveis de eficiência.
Rachel M. L. Guimarães   +4 more
doaj   +1 more source

Spatial analysis of biodiversity soil macrofauna in Populus deltoides plantation of northern forests of Iran [PDF]

open access: yesCaspian Journal of Environmental Sciences, 2019
Information about the spatial patterns of soil biodiversity and understanding the effects of biodiversity on ecosystem processes are limited. This study was conducted to determine whether biodiversity of soil macrofauna features demonstrate spatial ...
N Ghorbanzadeh   +4 more
doaj   +1 more source

Spatial Distribution of Some Physical and Chemical Properties of Soil using Geostatistic Methods (Case study: Zabol to Zahedan Route) [PDF]

open access: yes, 2019
Soil characteristics have spatial variations. Understanding spatial variations of soil characteristics is among the effective factors in sustainable land management. A better understanding the effects of management factors on soil characteristics need to
Vali Behnam   +3 more
core   +2 more sources

Model of distribution of valuable minerals and harmfull pollutants as basic qualitative parameters of magnesite deposit Bankov – Košice and its presentation by GIS [PDF]

open access: yesActa Montanistica Slovaca, 2005
Magnesite deposits are in principle the only non-ore mineral deposits in Slovakia, which are mined economically using underground methods. Their reserves and output represent an important part of the world reserves and output.
Marek Pauco, Peter Blišťan
doaj  

Geostatistic application to forestry inventory.

open access: yes, 2004
Este trabalho teve como objetivo geral avaliar o uso da geoestatística aplicada ao inventário florestal. Especificamente avaliaram-se: a estrutura de continuidade espacial de quatro características dendrométricas, os métodos de ajuste e seleção de ...
José Marcio de Mello   +1 more
core   +1 more source

Métodos geoestatísticos no estudo da resistência do solo à penetração em trilha de tráfego de tratores na colheita de madeira Geostatistic methods used in the study of soil penetration resistance in tractor traffic trail during wood harvesting [PDF]

open access: yes, 2008
Este trabalho teve como objetivo avaliar a resistência do solo à penetração (RSP) em seção transversal à trilha de tráfego dos tratores "Feller-buncher" e "Skidder" na colheita de madeira, utilizando-se as técnicas de geoestatística na determinação da ...
Rone Batista de Oliveira   +7 more
core   +1 more source

BALIKESİR’DE HAVA KİRLİLİĞİNİN SOLUNUM YOLU HASTALIKLARININ MEKÂNSAL DAĞILIŞI ÜZERİNE ETKİSİNİ ANLAMADA JEO-İSTATİSTİK TEKNİKLER

open access: yesCoğrafi Bilimler Dergisi, 2007
Objectives of this study were to: (a) investigate the association between outdoor air pollution and respiratory disease hospitalization (RDH), (b) describe the geographical and temporal distribution of RDH cases in order to identify areas with unusually ...
Şermin TAĞIL
doaj   +1 more source

Pierwsze dwa momenty oceny wariogramu [PDF]

open access: yes, 2005
In this article we deal with theoretical bases of geostatistic which have employment in research of time series. Let we have stationary random process, defined on R, with expected value equal 0, given covariance function and spectral density.
Trusz, Mikołaj, Arcimowicz, Iwona
core   +4 more sources

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