Results 21 to 30 of about 9,408 (217)

On daily interpolation of precipitation backed with secondary information [PDF]

open access: yes, 2010
This paper investigates the potential impact of secondary information on rainfall mapping applying Ordinary Kriging. Secondary information tested is a natural area indicator, which is a combination of topographic features and weather conditions.
Ahrens, Bodo, Krähenmann, Stefan
core   +2 more sources

Comparison Between Iterative Least Square and Nonparametric Epanechnikov Kernel in Semivariogram Modeling, Case study: Urban Land Cover in East Java Province [PDF]

open access: yesITM Web of Conferences
Landcover is an example of spatial data that contains location coordinate information along with the variables measured at each location, namely height, slope, and curvature.
Sari Kurnia Novita   +3 more
doaj   +1 more source

Semivariogram models for estimating fig fly population density throughout the year

open access: yesPesquisa Agropecuária Brasileira, 2014
The objective of this work was to select semivariogram models to estimate the population density of fig fly (Zaprionus indianus; Diptera: Drosophilidae) throughout the year, using ordinary kriging.
Mauricio Paulo Batistella Pasini   +2 more
doaj   +1 more source

Spatial variability of air dry bulb temperature and black globe humidity index in a broiler house during the heating phase [PDF]

open access: yesEngenharia Agrícola, 2013
The air dry-bulb temperature (t db),as well as the black globe humidity index (BGHI), exert great influence on the development of broiler chickens during their heating phase. Therefore, the aim of this study was to analyze the structure and the magnitude
Patrícia F. Ponciano   +4 more
doaj   +1 more source

Multivariate space-time modelling of multiple air pollutants and their health effects accounting for exposure uncertainty [PDF]

open access: yes, 2018
The long-term health effects of air pollution are often estimated using a spatio-temporal ecological areal unit study, but this design leads to the following statistical challenges: (1) how to estimate spatially representative pollution concentrations ...
Arif   +30 more
core   +1 more source

The Application of Spatial Analysis and Time Series in Modeling the Frequency of Earthquake Events in Bengkulu Province

open access: yesAceh International Journal of Science and Technology, 2018
This study provides an overview in combining spatial analysis and time series analysis to model the frequency of earthquake. The aim of this research is to apply the spatial statistical analysis and time series analysis in estimating semivariogram ...
Fachri Faisal, Pepi Novianti, Jose Rizal
doaj   +1 more source

Recommendable block sizes: a case study on Finnish official variety trials of barley cultivars [PDF]

open access: yes, 2008
Well-established results in the current statistical literature imply that plant breeders should use incomplete block designs wherever spatial variability exists and the number of treatments is large.
Jauhiainen, Lauri   +2 more
core   +3 more sources

Semivariogram Modeling based on Provincial Clusters for Infectious Diseases and Mental Health in Indonesia [PDF]

open access: yesITM Web of Conferences
Health is a valuable asset that profoundly impacts individuals and society as a whole, enhancing overall well-being and quality of life. Both internal and external factors, along with geographical location, play a crucial role in health.
Sari Kurnia Novita   +3 more
doaj   +1 more source

Applying multiple testing procedures to detect change in East African vegetation

open access: yes, 2014
The study of vegetation fluctuations gives valuable information toward effective land use and development. We consider this problem for the East African region based on the Normalized Difference Vegetation Index (NDVI) series from satellite remote ...
Clements, Nicolle   +3 more
core   +1 more source

Identification and characterization of nursery areas of red mullet Mullus barbatus in the Central Tyrrhenian Sea [PDF]

open access: yes, 2017
Red Mullet Mullus barbatus is an important target of fishing activities in the central Tyrrhenian Sea, so it is essential to identify its critical habitats in order to manage this resource efficiently.
Ardizzone, Domenico   +4 more
core   +1 more source

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