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Ground-penetrating Radar for Archaeology
Conyers succinctly and clearly lays out for archaeological practitioners the theory behind, and applications of, ground-penetrating radar as a non-invasive method of subsurface prospection. Describing the technology, the equipment, the analysis and interpretation necessary to produce usable results and full of examples from GPR projects throughout the world, this book also details advances in computer simulation, statistical modeling, virtual reality techniques, and data integration in recent years. Visit our website for sample chapters!
Ground Penetrating Radar for Evaluating Subsurface Conditions for Transportation Facilities
This synthesis will be of interest to state Department of Transportation (DOT) geotechnical, bridge, and pavement engineers, engineering geologists, consultants involved with ground penetrating radar (GPR) investigations for state DOTs, and researchers. It describes the current state of the practice of using GPR for evaluating subsurface conditions for transportation facilities. This was accomplished by conducting a literature search and review and an extensive survey of U.S. and Canadian transportation agencies and practitioners, as well as limited international information collection. GPR is a noninvasive nondestructive tool used in transportation applications such as evaluation and characterization of pavement systems, soils, and environmental problems. This report of the Transportation Research Board presents information on the principles, equipment, logistics, applications, and limitations of GPR pertaining to transportation applications. Selected case studies for which ground truth information is available are presented. In addition, an extensive bibliography and glossary are provided as well as appending information about GPR manufacturers from their literature.
Ground-penetrating Radar for Geoarchaeology
There has long been a strong collaboration between geologists and archaeologists, and the sub-field of geoarchaeology is well developed as a discipline in its own right. This book now bridges the gap between those fields and the geophysical technique of ground-penetrating radar (GPR), which allows for three-dimensional analysis of the ground to visualize both geological and archaeological materials. This method has the ability to produce images of the ground that display complex packages of materials, and allows researchers to integrate sedimentary units, soils and associated archaeological features in ways not possible using standard excavation techniques. The ability of GPR to visualize all these buried units can help archaeologists place ancient people within the landscapes and environments of their time, and understand their burial and preservation phenomena in three-dimensions. Readership: Advanced students in archaeology and geoarchaeology, as well as practicing archaeologists with an interest in GPS techniques.
Kaikki taivaan sini
Ihmeellinen matka elämän kauneuteen Coelhon hengessä! Ilmoitus: Nuori mies, elinaikaa kaksi vuotta nuoruusiän Alzheimerin takia, etsii matkakumppania viimeiseen suureen seikkailuun. Parantumattomasti sairas Émile haluaa jättää taakseen sairaalat, perheen myötätunnon ja ystävänsä. Yllätyksekseen hän saa vastauksen ilmoitukseensa, ja kolme päivää myöhemmin matkailuauton kyytiin nousee Joanne selässä reppu, päässä leveälierinen hattu, vailla selityksen sanaa. Alkaa matka Ranskan kauneimman luonnon siimekseen, yllättäviin kohtaamisiin, syvälle elämän ja kuoleman kysymyksiin. Émilellä on kohtalonsa, Joannella oma tarinansa, ja yhdessä he oppivat auttamaan toisiaan. Kaikki taivaan sini on viisas ja tunteikas tarina ystävyydestä, rakkaudesta ja toivosta. Mélissa Da Costa (s. 1990) kasvoi Ranskan maaseudulla ja haaveili kirjailijan urasta jo lapsena. Hän on opiskellut kauppatieteitä ja työskennellyt viestintäalalla. Kaikki muuttui, kun kustantaja löysi Kaikki taivaan sini -kirjan omakustanteiden sivustolta. Kirjaa on nyt myyty yli 600 000 kappaletta, ja Da Costa on noussut Ranskan suosituimpien kirjailijoiden joukkoon.
Evaluation of Bridge-scour Data at Selected Sites in Ohio
Scour data collected during 1989-1994 were evaluated to determine whether pier scour and contraction scour occurred at 22 bridge sites in Ohio. Pier-scour depths computed from selected pier-scour prediction equations were compared with measured pier-scour depths, and the accuracy of the prediction equations were evaluated. Observed pier-scour relations were compared to similar relations developed through laboratory research. Mean streambed elevations were evaluated to determine the depth of contraction scour. Channel stability was assessed by use of mean streambed elevations at the approach section. Ground-penetrating radar was used at all sites to investigate the presence of historical scour.
