[HTML][HTML] Assessing groundwater quality for drinking water supply using hybrid fuzzy-GIS-based water quality index

MK Jha, A Shekhar, MA Jenifer - Water Research, 2020 - Elsevier
Groundwater is a vital source of freshwater in both urban and rural regions of the world.
However, its injudicious abstraction and rapidly increasing contamination are posing a …

Basic steps in geostatistics: the variogram and kriging

MA Oliver, R Webster - 2015 - Springer
This Brief takes readers, in particular environmental scientists, through the important steps of
a geostatistical analysis. Most properties of the environment, such as rainfall, plant nutrients …

[图书][B] Geostatistics for environmental scientists

R Webster, MA Oliver - 2007 - books.google.com
Geostatistics is essential for environmental scientists. Weather and climate vary from place
to place, soil varies at every scale at which it is examined, and even man-made attributes …

An overview of geostatistics and precision agriculture

MA Oliver - Geostatistical applications for precision agriculture, 2010 - Springer
This chapter sets the scene for the two main topics of this book, namely geostatistics and
precision agriculture. The aim is to provide readers with a foundation for what is to come in …

Spatial variability of soil quality within management zones: Homogeneity and purity of delineated zones

M Zeraatpisheh, EL Bottega, E Bakhshandeh… - Catena, 2022 - Elsevier
Fields are the original management zones used in agricultural ecosystems. Uniformity of soil
within management zones (MZ) is crucial for sustainable soil management, long-term …

Rainfall redistribution in a tropical forest: Spatial and temporal patterns

A Zimmermann, B Zimmermann… - Water Resources …, 2009 - Wiley Online Library
The investigation of throughfall patterns has received considerable interest over the last
decades. And yet, the geographical bias of pertinent previous studies and their …

Spatial variation and site-specific management zones

R Khosla, DG Westfall, RM Reich, JS Mahal… - … for precision agriculture, 2010 - Springer
Many approaches have been proposed over the last two decades for managing the spatial
variation of soil and crops. In this chapter we discuss the importance of quantifying and …

Detecting spatial structures in throughfall data: The effect of extent, sample size, sampling design, and variogram estimation method

S Voss, B Zimmermann, A Zimmermann - Journal of Hydrology, 2016 - Elsevier
In the last decades, an increasing number of studies analyzed spatial patterns in throughfall
by means of variograms. The estimation of the variogram from sample data requires an …

Combined use of hyperspectral VNIR reflectance spectroscopy and kriging to predict soil variables spatially

AV Bilgili, F Akbas, HM van Es - Precision Agriculture, 2011 - Springer
Hyperspectral visible near infrared reflectance spectroscopy (VNIRRS) and geostatistical
methods are considered for precision soil mapping. This study evaluated whether VNIR or …

The importance of modeling the effects of trend and anisotropy on soil fertility maps

ALG Oliveira, JP Lima, TL Brasco, LR Amaral - Computers and Electronics …, 2022 - Elsevier
Precision Agriculture (PA) commonly uses interpolation to generate maps for site-specific
management. Semivariogram modeling with kriging interpolation considerers several …