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1000 tulosta hakusanalla Richard Webster
Geostatistics for Environmental Scientists
Richard Webster; Margaret A. Oliver
John Wiley Sons Inc
2007
sidottu
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 – such as the distribution of pollution – vary. The techniques used in geostatistics are ideally suited to the needs of environmental scientists, who use them to make the best of sparse data for prediction, and top plan future surveys when resources are limited. Geostatistical technology has advanced much in the last few years and many of these developments are being incorporated into the practitioner’s repertoire. This second edition describes these techniques for environmental scientists. Topics such as stochastic simulation, sampling, data screening, spatial covariances, the variogram and its modeling, and spatial prediction by kriging are described in rich detail. At each stage the underlying theory is fully explained, and the rationale behind the choices given, allowing the reader to appreciate the assumptions and constraints involved.
Field Sampling for Environmental Science and Management
Richard Webster; Murray Lark
Earthscan Ltd
2012
sidottu
Scientists and consultants need to estimate and map properties of the terrestrial environment. These include plant nutrients and parasites in soil, gaseous emissions from soil, pollutant metals and xenobiotics in waste and contaminated land, salt in groundwater and species abundances above ground. The scale varies from small experimental plots to catchments, and the land may be enclosed in fields or be open grassland, forest or desert. Those who sample the variables to obtain the necessary data need guidance on the design and analysis of sampling methods for their conclusions and recommendations to be valid. This book provides that guidance, backed by sound rationale and statistical theory. It concentrates on design-based sampling for estimates of mean values of environmental properties, emphasizing replication and randomization. It starts with simple random sampling and then progresses to more efficient designs, such as spatially stratified random sampling, stratification by classes and cluster sampling. It includes a section on purposive sampling in classical soil survey, which is relevant to other environmental properties such as vegetation. It also describes the effects of bulking on errors and the use of ancillary information and regression to improve estimates. The authors draw the important distinction between design-based sampling for estimating means and model-based methods (geostatistics) for local spatial prediction and mapping, and focus on the latter. They describe designs suitable for computing variograms and prediction by kriging, as well as a staged approach, so that sampling is neither inadequate nor excessive, and designs adapt as knowledge is accumulated. Including numerous worked case studies of sampling in agriculture, ecology and environmental science, the book will be of immediate practical value.
Field Sampling for Environmental Science and Management
Richard Webster; Murray Lark
Earthscan Ltd
2012
nidottu
Scientists and consultants need to estimate and map properties of the terrestrial environment. These include plant nutrients and parasites in soil, gaseous emissions from soil, pollutant metals and xenobiotics in waste and contaminated land, salt in groundwater and species abundances above ground. The scale varies from small experimental plots to catchments, and the land may be enclosed in fields or be open grassland, forest or desert. Those who sample the variables to obtain the necessary data need guidance on the design and analysis of sampling methods for their conclusions and recommendations to be valid. This book provides that guidance, backed by sound rationale and statistical theory. It concentrates on design-based sampling for estimates of mean values of environmental properties, emphasizing replication and randomization. It starts with simple random sampling and then progresses to more efficient designs, such as spatially stratified random sampling, stratification by classes and cluster sampling. It includes a section on purposive sampling in classical soil survey, which is relevant to other environmental properties such as vegetation. It also describes the effects of bulking on errors and the use of ancillary information and regression to improve estimates. The authors draw the important distinction between design-based sampling for estimating means and model-based methods (geostatistics) for local spatial prediction and mapping, and focus on the latter. They describe designs suitable for computing variograms and prediction by kriging, as well as a staged approach, so that sampling is neither inadequate nor excessive, and designs adapt as knowledge is accumulated. Including numerous worked case studies of sampling in agriculture, ecology and environmental science, the book will be of immediate practical value.
Experiencing Music Technology
David Brian Williams; Peter Richard Webster
OXFORD UNIVERSITY PRESS INC
2022
nidottu
Experiencing Music Technology is a comprehensive introduction to the broad topic of music technology as it exists in contemporary practice across music making, music production, and music teaching and learning. Unlike other music technology books, EMT is designed not only as a major text for a course of study but also as a resource and reference guide for a wide audience of amateur, student, or professional musicians both inside and outside the academic setting. Although it is introductory in scope, it provides considerable depth of coverage anchored around a thread of ten core music technology competences integrated throughout the book. The newest edition of EMT enters the world at a time of real change in education that favors independent and creative thinking by learners. Our fervent hope is that the book meets the need of newer trends in music curriculum design to integrate technology understanding into specific courses within the discipline and to serve the needs of more modular course design in creative ways. The exciting development of the e-Book edition with its many links to internal and external resources helps to support multiple courses, curricula, and interdisciplinary connections.
Dialect and Folk Phrases of the Cotswolds
John Smyth; Richard Webster Huntley; G.F. Northall
Amberley Publishing
2008
nidottu
This book brings together the work of three pioneer historians who took the trouble to record what they heard spoken in the area. In chronological terms, the first was John Smyth, of Nibley (1568-1641), steward to the Berkeleys (1589-1640). His manuscript is dated 1605, but he made amendments throughout his life, the last of which are dated 1639. The manuscript was published in 1885 under the title A Description of the Hundred of Berkeley. The second was a scholarly work by Richard Webster Huntley (1793-1857), whose Glossary of the Cotswold Dialect was published posthumously the year after his death. Last but not least G. F. Northall's Folk Phrases of Four Counties (1894), builds upon Huntley's work and reminds us that many familiar phrases such as 'stick and stones may break my bones' had their root in this area.
Basic Steps in Geostatistics: The Variogram and Kriging
Margaret A. Oliver; Richard Webster
Springer International Publishing AG
2015
nidottu
This brief will provide a bridge in succinct form between the geostatistics textbooks and the computer manuals for `push-button' practice. It is becoming increasingly important for practitioners, especially neophytes, to understand what underlies modern geostatistics and the currently available software so that they can choose sensibly and draw correct conclusions from their analysis and mapping. The brief will contain some theory, but only that needed for practitioners to understand the essential steps in analyses. It will guide readers sequentially through the stages of properly designed sampling, exploratory data analysis, variography (computing the variogram and modelling it), followed by ordinary kriging and finally mapping kriged estimates and their errors. There will be short section on trend and universal kriging. Other types of kriging will be mentioned so that readers can delve further in the substantive literature to tackle more complex tasks.
As well as a chronicle of the appearances of Gabriel among Old Testament figures, Islam prophets, and modern philosophers and artists, Richard Webster offers an array of techniques for contacting the angel of Annunciation, who can help with inspiration, purification, fertility, childbirth, achieving a fresh start, seeing the future, interpreting dreams/visions, developing clairvoyance, and overcoming limitations, such as doubt and fear.
Introduces visualization methods that enable people to change the direction of their lives by mentally picturing and altering images of their goals, equipping them with the tools and knowledge necessary to succeed in all areas of life. Original.
More people than ever are communicating with angels for comfort, healing, and spiritual guidance. But how do you know which angel to call upon? Angel expert Richard Webster has compiled an impressive collection of well over 500 angels hailing from traditions and belief systems the world over, from the Bible and Jewish scriptures to Islamic and Buddhist texts. Bring about positive change in your life with angel wisdom: achieve goals with Ariel; assume a warrior's strength with Archangel Michael; meet the guardian angel presiding over your astrological sign; and, more. With a snapshot of each angel's traits, rankings, and specialties, you will always know which heavenly helper to invite into your life. From those new to the angelic kingdom to longstanding angel petitioners, all seekers of spiritual enrichment will treasure this alphabetically organized reference guide to invoking the miraculous powers of angels.
What is good luck and how can you attract it into your life? Bestselling author Richard Webster demystifies luck, and shares 365 easy techniques anyone can use to increase their good fortune in every area of life. From using lucky charms to acting on your hunches, the steps presented in this entertaining and informative book are sure to improve your daily outlook. With tried-and-true advice (Start by changing just one thing), unexpected tips (Carry a badger's tooth for good luck at cards), and everything you need to know about lucky days, numbers, and months, this eminently readable guide is brimming with wise counsel for increasing your good luck.
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Värit vaikuttavat mielialaamme, energiatasoomme ja olotilaamme. Omat värivalintasi paljastavat yllättävän paljon sekä perusluonteestasi että meneillään olevasta elämäntilanteestasi. Värit ovat elämässämme jatkuvasti läsnä. Sisustamme kotimme sävyillä, jotka miellyttävät silmäämme. Pukeudumme lempiväreihimme ja valitsemme usein vaistomaisesti värejä, joita tarvitsemme tasapainon ylläpitämiseen. Värivalintoja voi kuitenkin oppia tekemään myös tietoisesti. Millaisissa tilanteissa kannattaa pukeutua punaiseen tai tummansiniseen? Miksi emme pidä tietyistä väreistä? Mitä lempivärimme kertovat meistä?Tässä kirjassa värejä tarkastellaan muun muassa magian, numerologian, auran ja chakrojen, parantamisen, meditaation ja unien kautta. Värien avulla on mahdollista houkutella puoleensa hyvää onnea, vähentää stressiä ja luoda sopusointua kaikille elämänalueille. Monesta eri näkökulmasta avautuva värien kiehtova maailma tarjoaa lukijalle uudenlaisia keinoja eheytymiseen.