R. Ichar D. Webster
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(Suggest an Edit or Addition)R. Ichar D. Webster's Published Works
Published Works
- Kriging: a method of interpolation for geographical information systems (1990) (1604)
- Optimal interpolation and isarithmic mapping of soil properties. II. Block kriging. (1980) (802)
- Choosing functions for semi‐variograms of soil properties and fitting them to sampling estimates (1986) (687)
- Statistical Methods in Soil and Land Resource Survey. (1990) (652)
- Quantitative spatial analysis of soil in the field (1985) (619)
- Sample adequately to estimate variograms of soil properties (1992) (557)
- A tutorial guide to geostatistics: Computing and modelling variograms and kriging (2014) (536)
- Geostatistics for Environmental Scientists (2001) (443)
- Digital terrain analysis. (2008) (380)
- A comparison of kriging, cubic splines and classification for predicting soil properties from sample information (1990) (378)
- Modelling soil variation: past, present, and future (2001) (375)
- Optimal interpolation and isarithmic mapping of soil properties: I The semi‐variogram and punctual kriging (1980) (355)
- The design of optimal sampling schemes for local estimation and mapping of of regionalized variables—I: Theory and method (1981) (333)
- Optimal interpolation and isarithmic mapping of soil properties: V. Co-regionalization and multiple sampling strategy (1983) (260)
- HOW MANY OBSERVATIONS ARE NEEDED FOR REGIONAL ESTIMATION OF SOIL PROPERTIES? (1983) (242)
- DPTIMAL INTERPOLATION AND ISARITHMIC MAPPING OF SOIL PROPERTIES. IV SAMPLING STRATEGY (1981) (228)
- Baseline map of organic carbon in Australian soil to support national carbon accounting and monitoring under climate change (2014) (205)
- Automatic soil-boundary location from transect data (1973) (200)
- Optimal interpolation and isarithmic mapping of soil properties. III. Changing drift and universal kriging. (1980) (199)
- The design of optimal sampling schemes for local estimation and mapping of regionalized variables—II: Program and examples☆ (1981) (195)
- Is soil variation random (2000) (180)
- Basic Steps in Geostatistics: The Variogram and Kriging (2015) (167)
- Geostatistical analysis of soil contamination in the Swiss Jura. (1994) (164)
- A geostatistical basis for spatial weighting in multivariate classification (1989) (156)
- Semi‐variograms for modelling the spatial pattern of landform and soil properties (1986) (149)
- How geostatistics can help you (1991) (139)
- Combining nested and linear sampling for determining the scale and form of spatial variation of regi (2010) (136)
- On the Akaike Information Criterion for choosing models for variograms of soil properties. (1989) (135)
- Coregionalization of trace metals in the soil in the Swiss Jura (1994) (130)
- Scale-dependent correlation between topsoil copper and cobalt concentrations in Scotland (1994) (123)
- Mapping heavy metals in polluted soil by disjunctive kriging. (1996) (120)
- Assessing the risk of soil contamination in the Swiss Jura using indicator geostatistics (1997) (119)
- SOIL TRANSECT CORRELOGRAMS OF NORTH OXFORDSHIRE AND THEIR INTERPRETATION (1975) (109)
- The development of pedometrics (1994) (108)
- Guidelines for Surveying Soil and Land Resources (2008) (102)
- Optimal interpolation and isarithmic mapping of soil properties. VI. Disjunctive kriging and mapping the conditional porbability (1989) (98)
- The elucidation of soil pattern in the Wyre Forest of the West Midlands, England. II. Spatial distribution. (1987) (97)
- Geostatistical analysis of cyst nematodes in soil (1992) (93)
- Changes in variance and correlation of soil properties with scale and location: analysis using an adapted maximal overlap discrete wavelet transform (2001) (91)
- Sampling and bulking strategies for estimating soil properties in small regions (1984) (87)
- Spectral Analysis of Gilgai Soil (1977) (85)
- Soil classification and survey studies at Ginninderra (1976) (85)
- OPTIMALLY PARTITIONING SOIL TRANSECTS (1978) (85)
- Evaluating soil maps for prediction of soil water properties (1994) (84)
- A high-resolution map of soil pH in China made by hybrid modelling of sparse soil data and environmental covariates and its implications for pollution. (2019) (82)
- Cokriging with ground-based radiometry (1992) (81)
- Mapping the three-dimensional variation of soil salinity in a rice-paddy soil (2013) (76)
- Cokriging with airborne MSS imagery (1994) (76)
- In situ measurements of organic carbon in soil profiles using vis-NIR spectroscopy on the Qinghai-Tibet plateau. (2015) (76)
- Regional variation of extractable copper and cobalt in the topsoil of south-east Scotland (1982) (74)
- Spatial correlation in reflected radiation from the ground and its implications for sampling and mapping by ground-based radiometry (1989) (74)
- Field Sampling for Environmental Science and Management (2012) (73)
- Geostatistics in Physical Geography. Part I: Theory (1989) (72)
- MULTIPLE DISCRIMINANT ANALYSIS IN SOIL SURVEY (1974) (69)
- Spatial dependence and classification of the soil along a transect in northeast Scotland (1981) (66)
- Binomial cokriging for estimating and mapping the risk of childhood cancer. (1998) (66)
- A CATENA OF SOILS ON THE NORTHERN RHODESIA PLATEAU (1965) (64)
- Estimating temporal change in soil monitoring: II. Sampling from simulated fields (1995) (62)
- How large a sample is needed to estimate the regional variogram adequately (1993) (57)
- Mapping soil fertility at Broom's Barn by simple kriging (1987) (54)
- The topology of pore structure in cracking clay soil I. The estimation of numerical density (1988) (54)
- Estimating the spatial scales of regionalized variables by nested sampling, hierarchical analysis of variance and residual maximum likelihood (2006) (53)
- Geostatistics in physical geography. Part II. Applications. (1989) (53)
- Estimating temporal change in soil monitoring: I. Statistical theory (1995) (52)
- Filtering SPOT imagery by kriging analysis (2000) (51)
- Mapping soil salinity in the Yangtze delta: REML and universal kriging (E-BLUP) revisited (2015) (51)
- Detection of ridge and furrow pattern by spectral-analysis of crop yield (1981) (50)
- THE MEASUREMENT OF SOIL WATER TENSION IN THE FIELD (1966) (50)
- A numerical procedure for testing soil boundaries interpreted from air photographs (1969) (49)
- Improved estimation of micro nutrients in hectare plots of the Sonning Series (1984) (46)
- Optimal sampling strategies for mapping soil types. I. Distribution of boundary spacings (1984) (46)
- The use of soil survey data to determine the magnitude and extent of historic metal deposition related to atmospheric smelter emissions across Humberside, UK. (2006) (46)
- Spatial variation in soil and the role of kriging (1983) (45)
- Kriging the Local Risk of a Rare Disease from a Register of Diagnoses (2010) (42)
- An analysis of crack pattern in clay soil: its density and orientation (1986) (42)
- Impact of a century of wastewater irrigation on the abundance of arbuscular mycorrhizal spores in the soil of the Mezquital Valley of Mexico (2001) (41)
- Mapping gamma radiation and its uncertainty from weathering products in a Tasmanian landscape with a proximal sensor and random forest kriging (2014) (41)
- A geostatistical approach to the analysis of pattern in rare disease. (1992) (41)
- Local disjunctive kriging of soil properties with change of support (1991) (39)
- Acid drainage from coal mining: Effect on paddy soil and productivity of rice. (2017) (38)
- Spatial multivariate classification of an arable field into compact management zones based on past crop yields (2012) (35)
- Estimating soil salinity by disjunctive kriging (1990) (33)
- Mycorrhizal inoculum potential of arbuscular mycorrhizal fungi in soils irrigated with wastewater for various lengths of time, as affected by heavy metals and available P (2007) (33)
- Soil Sampling and Methods of Analysis ‐ Edited by M.R. Carter & E.G. Gregorich (2008) (33)
- Mapping aerial metal deposition in metropolitan areas from tree bark: a case study in Sheffield, England. (2008) (32)
- Microaggregates in red earths and related soils in East and Central Africa, their classification and occurrence (1986) (31)
- Using expert knowledge with control of false discovery rate to select regressors for prediction of soil properties (2007) (30)
- An analysis of crown condition of Picea, Fagus and Abies in relation to environment in Switzerland (1996) (30)
- Estimating and mapping grass cover and biomass from low-level photographic sampling† (1986) (28)
- CANONICAL CORRELATION IN PEDOLOGY: HOW USEFUL? (1977) (26)
- Soil resources and their assessment (1997) (25)
- The topology of pore structure in cracking clay soil. II. Connectivity density and its estimation (1988) (25)
- WILKS'S CRITERION: A MEASURE FOR COMPARING THE VALUE OF GENERAL PURPOSE SOIL CLASSIFICATIONS (1971) (24)
- DISJUNCTIVE KRIGING FOR ENVIRONMENTAL MANAGEMENT (1996) (24)
- Interpreting Soil Test Results: What do all the Numbers mean? ‐ by P. Hazelton & B.Murphy (2007) (23)
- Optimal sampling strategies for mapping soil types. II. Risk functions and sampling intervals (1984) (23)
- A re‐examination of the evidence for a plio‐pleistocene marine transgression on the Chiltern hills. I. structures and surfaces (1986) (22)
- A stochastic distributed model of soil erosion by overland flow (1991) (22)
- Spatial analysis of semi-arid patchy vegetation by the cumulative distribution of patch boundary spacings and transition probabilities (2004) (22)
- Short-term emissions of CO2 and N2O in response to periodic flood irrigation with waste water in the Mezquital Valley of Mexico (2015) (21)
- The persistence of the effects of simulated tractor wheeling on sandy loam subsoil (1978) (21)
- Spatial variation of trace elements in the peri-urban soil of Madrid (2013) (21)
- The effect of soil type and related factors on sugar beet yield (1977) (21)
- Mathematical treatment of soil information (1978) (21)
- Spatial analysis and mapping the annual mean concentrations of acidity and major ions in precipitation over the United Kingdom in 1986 (1991) (20)
- The relation between reflected radiation and yield on the Broadbalk winter wheat experiment (1990) (20)
- Estimating the Risk of Childhood Cancer (1993) (20)
- A comparative study of numerical classification and ordination of soil profiles in a locality near Oxford. Part I. Analysis of 85 sites. (1970) (20)
- A survey of the sulphur content of wheat grown in Britain (1987) (20)
- Spectral and wavelet analysis of gilgai patterns from air photography. (2010) (20)
- Exploring the spatial variation in the fertilizer-nitrogen requirement of wheat within fields (2014) (20)
- A geostatistical method for segmenting multivariate sequences of soil data. (1988) (19)
- Designing a sampling scheme to reveal correlations between weeds and soil properties at multiple spatial scales (2015) (19)
- Guidelines for surveying soil and land resources, 2nd ed (2008) (18)
- Sampling remotely sensed imagery for storage, retrieval and reconstruction (1990) (18)
- A rational strategy for determining the number of cores for bulked sampling of soil (1997) (16)
- Change from paddy rice to vegetable growing changes nitrogen‐cycling microbial communities and their variation with depth in the soil (2016) (16)
- Disjunctive Kriging in Agriculture (1989) (16)
- Divide: a fortran IV program for segmenting multivariate one-dimensional spatial series (1980) (15)
- Experience with the replication of regional survey of soil pollution (1998) (15)
- A geostatistical study of topsoil properties in zhangwu county, china (1984) (15)
- Using Statistical Methods for Water Quality Management (2005) (15)
- Analysis of variance in soil research: Examining the assumptions (2019) (15)
- Improving a reconnaissance soil classification by multivariate methods (1976) (14)
- Characterizing Spatial Processes: The Covariance and Variogram (2008) (14)
- Modelling the electrical conductivity of soil in the Yangtze delta in three dimensions (2016) (13)
- Multivariate, autocorrelation and spectral analyses of a pollen profile from Scotland and evidence for periodicity (1997) (13)
- Local Estimation or Prediction: Kriging (2008) (13)
- The cost‐effectiveness of reflectance spectroscopy for estimating soil organic carbon (2021) (13)
- Design of Experiments for Agriculture and the Natural Sciences (Second Edition) (2007) (11)
- Defining the habitat niche of Alopecurus myosuroides at the field scale (2018) (11)
- Frost damage to maize in northeast India: assessment and estimated loss of yield by hyperspectral proximal remote sensing (2019) (10)
- Succession in tussock grasslands : implications for conservation management (2005) (10)
- Statistical and geostatistical analysis of the National Soil Inventory of England and Wales. Technical Report to the Department of Food and Rural Affairs (2002) (10)
- SAMPLING, ESTIMATING AND UNDERSTANDING SOIL POLLUTION (1999) (9)
- Soil nitrogen. V.—Leaching of nitrate from soils in laboratory experiments† (1959) (9)
- INTUITION AND RATIONAL CHOICE IN THE APPLICATION OF MATHEMATICS TO SOIL SYSTEMATICS (1975) (9)
- Spatial and Temporal Stability of Weed Patches in Cereal Fields under Direct Drilling and Harrow Tillage (2020) (9)
- A Handbook of Tropical Soil Biology: Sampling & Characterization of Below-ground Biodiversity - edited by Moreira, F.M.S., Huising, E.J. & Bignell, D.E. (2010) (9)
- Elucidation and Characterization of Spatial Variation in Soil Using Regionalized Variable Theory (1984) (9)
- Technological developments for spatial prediction of soil properties, and Danie Krige's influence on it (2015) (9)
- SOIL SEGMENT OVERLAP IN CHARACTER SPACE AND ITS IMPLICATIONS FOR SOIL CLASSIFICATION (1981) (8)
- Changes in soil redox potential in response to flood irrigation with waste water in central Mexico (2017) (8)
- Conventional land evaluation. (2008) (8)
- Sampling To Monitor Soil In England And Wales (1999) (8)
- Remote sensing with gamma-ray spectrometry. (2008) (7)
- Spatial Analysis of Digital Imagery of Weeds in a Maize Crop (2018) (7)
- Predicting soil properties using pedotransfer functions and environmental correlation. (2008) (7)
- Optimizing plot size and shape for field experiments on terraces (1997) (7)
- Soil science and geostatistics (in Russian) (2007) (7)
- The role of the referee (1993) (6)
- Sampling using statistical methods. (2008) (6)
- Modeling spatial variation of soil as random functions (2005) (6)
- Assessing sampling designs for determining fertilizer practice from yield data (2017) (6)
- Geostatistically Constrained Multivariate Classification (1989) (6)
- Variation in soil properties caused by irrigation and cultivation in the central Gezira of Sudan. (1989) (6)
- Two-dimensional spatial analysis of the seismic b-value and the Bouguer gravity anomaly in the southeastern part of the Zagros Fold-and-Thrust Belt, Iran: Tectonic implications (2013) (6)
- Spatial Averaging of Solute and Water Flows in Soil (1990) (5)
- Predicting the growth of lettuce from soil infrared reflectance spectra: the potential for crop management (2020) (5)
- Digital Soil Mapping: An Introductory Perspective - Edited by P. Lagacherie, A. B. McBratney & M. Voltz (2007) (5)
- Geology, geomorphology and regolith. (2008) (5)
- Geostatistical Prediction: Kriging (2015) (5)
- Quantitative land evaluation. (2008) (5)
- Weeds, Worms and Geostatistics (2010) (4)
- An editor's farewell (1990) (4)
- Geostatistics for Engineers and Earth Scientists. (2000) (4)
- Statistics in Practice (2008) (4)
- D.D. Sarma: Geostatistics with Applications in Earth Sciences, 2nd edn. (2010) (4)
- Recent achievements in geostatistical analysis of soil. (1989) (4)
- Classifying soil and land. (2008) (4)
- Approaches to land resource survey. (2008) (3)
- Dealing with Spatial Variation (1993) (3)
- Modelling the Variogram (2008) (3)
- The drifts in the Vale of White Horse of North Berkshire and Wiltshire (1966) (3)
- Spatial and temporal modelling (2002) (3)
- Mapping soil salinity from sample data and remote sensing in the former Lake Texcoco, Mexico (2008) (3)
- The Variogram and Modelling (2015) (3)
- Reliability of the Experimental Variogram and Nested Sampling (2008) (3)
- Synthesis studies: making the most of existing data. (2008) (3)
- Factorial kriging of a soil inventory (2001) (3)
- Editorial: statistics in the journal (2016) (2)
- SPATIAL VARIATION, SOIL PROPERTIES (2005) (2)
- Cross‐Correlation, Coregionalization and Cokriging (2008) (2)
- The nature of soil variation (1976) (2)
- Survey specification and planning. (2008) (2)
- Managing Risks of Nitrates to Humans and the Environment. (2000) (2)
- Intensive survey for agricultural management. (2008) (2)
- Prediction and Interpolation (2008) (2)
- Spatial Heterogeneity of Tectonic Features in the Area between the Qatar-Kazerun and the Minab Faults, the Southeast of the Zagros Fold-and-Thrust Belt, Iran (2013) (2)
- Experience of kriging from field measurements of soil properties : 3rd Colloque AISA Traitment informatique des Donnes de sol 14-17th Sept 1981 (1981) (2)
- Linking historical smelter emissions across Humberside (UK) to enhanced soil metal concentrations using geostatistics and preserved environmental samples (2006) (1)
- Geostatistics: Modeling Spatial Uncertainty - by Chilès, J.-P. & Delfiner, P. (2013) (1)
- Legal and planning framework. (2008) (1)
- A multivariate method for matching soil classification systems, with an Australian example (2020) (1)
- A computer program for evaluating risks in constructing choropleth maps by point sampling along transects (1984) (1)
- Sustainable Management of Soil Organic Matter (2001) (1)
- Description of Sampling Programme for Part of Fort Benning. (1995) (1)
- Methods for investigating localized clustering of disease. Geostatistics for determining the risk of rare disease. (1996) (1)
- Ginninderra revisited: the contribution of B. E. Butler to statistical pedology (2011) (1)
- Monitoring soil and land condition. (2008) (1)
- Image Filtering by Kriging Analysis (1999) (1)
- Soil Biodiversity in Amazonian and Other Brazilian Ecosystems - Edited by F.M.S. Moreira, J.O. Siqueira & L. Brussaard (2007) (1)
- Land use mapping. (2008) (1)
- Spatial analysis of gilgai patterns (2013) (1)
- An overview of spatial analysis in Genstat (1996) (1)
- Dealing with Trend (2015) (1)
- Report of the Geostatistical Analysis of High Resolution Multispectral Imagery (1998) (0)
- Spatial Analysis of Patchy Vegetation on Semi-Arid Steppe (2001) (0)
- Spatial variation of soil-nitrogen and related factors (1983) (0)
- Disjunctive kriging for agricultural management (2001) (0)
- Brief Review of Proposals for Second Project on Applying Geostatistics to Remote Imagery of Fort Belvoir. (1995) (0)
- Agricultural decision-making under uncertainty: a loss function on the kriging variance from soil properties predicted by infrared and X-ray fluorescence spectroscopy (2021) (0)
- Regionalized Variable Theory (2015) (0)
- New Books (2007) (0)
- An early history of ordination in soil science (2010) (0)
- Relation between yield and reflected radiation on the Broadbalk winter wheat experiment at Rothamsted. (1988) (0)
- Distribution of kriging errors, the implications and how to communicate them (2015) (0)
- Understanding the scale-dependence of the relations between soil conditions and weed density and the implications for precision management of weeds (2014) (0)
- Proximal Soil Sensing ‐ edited by Viscarra Rossel, R.A., McBratney, A.B. & Minasny, B. (2012) (0)
- Kriging in the Presence of Trend and Factorial Kriging (2008) (0)
- Describing Soil Variation Using Wavelets (2000) (0)
- Global Soil Proverbs: Cultural Language of the Soil Edited by Yang, J.E. Kirkham, M.B. Lal, R., & Huber, S. (eds), Catena-Schweizerbart, Stuttgart, 2018. xv + 275 pp. €34.90, paperback. ISBN-978-3-510-65431-4 (2019) (0)
- Summary of First Spatial Analysis at Fort Benning. Optimizing Fixed Sample Design and Data Compression from Remote Imagery. (1995) (0)
- The Future of Soil Science - Edited by A. Hartemink (2007) (0)
- Report on GENSTAT and Coregionalization. (1996) (0)
- Quantifying the uncertainty in the prediction of soil properties from soil-spectra using local and regional spectral libraries (2020) (0)
- Optimal sampling and estimation for image storage and retrieval. (1988) (0)
- STATISTICS IN SOIL SCIENCE (2005) (0)
- Report of the Spatial Analysis of Part of Fort Benning Using Remote Imagery. Optimizing Field Sample Design from Remote Imagery. (1995) (0)
- Soil biology - New horizons: Editorial (2003) (0)
- Estimating the scales of variation for monitoring soil (2004) (0)
- Brief Review of Remote Sensing Literature Pertaining to Classification and Geostatistics. (1995) (0)
- Temporal analysis with remote sensing. (2008) (0)
- Remote sensing with imaging spectroscopy. (2008) (0)
- Appendix B: GenStat Instructions for Analysis (2008) (0)
- Contractor - Approved for Public Release; distribution unlimited (1995) (0)
- Geostatistical Analysis of High Resolution Multispectral Imagery. (1997) (0)
- Mapping the three-dimensional variation of electrical conductivity in a paddy rice soil. (2010) (0)
- Soil and landscape processes. (2008) (0)
- Rational management decisions from uncertain spatial data (2013) (0)
- Optimal multi-variable sampling schemes for remote sensing investigations. (1989) (0)
- Multivariate spatial analysis of a pollen core (1997) (0)
- Kriging, Optimal Sampling and Filtering by Kriging Analysis. (1996) (0)
- Statistical methods for analysing soil variation. (1986) (0)
- Reply to Comment on “Modelling soil variation: past, present, and future”, by Philippe Baveye (2002) (0)
- Geoinformatics & Geostatistics: An Overview (2013) (0)
- Appendix A: Aide‐Mémoire for Spatial Analysis (2008) (0)
- Remote sensing with air photography. (2008) (0)
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