Author: R. G. WilleyPublisher:
ISBN:
Category : HEC-5 (Computer program)
Languages : en
Pages : 26
Book Description
HEC-5Q
Author: R. G. WilleyPublisher:
ISBN:
Category : HEC-5 (Computer program)
Languages : en
Pages : 26
Book Description
The Klamath Project
Author: Eric A. SteneBridge Engineering Handbook
Author: Wai-Fah ChenPublisher: CRC Press
ISBN: 1000005925
Category : Technology & Engineering
Languages : en
Pages : 690
Book Description
First Published in 1999: The Bridge Engineering Handbook is a unique, comprehensive, and state-of-the-art reference work and resource book covering the major areas of bridge engineering with the theme "bridge to the 21st century."
Groundwater/Surface Water Ecotones
Author: Janine GibertPublisher: Cambridge University Press
ISBN: 9780521572545
Category : Science
Languages : en
Pages : 258
Book Description
Aquatic ecosystems have formed the focus of several UNESCO research projects because of the impact on them of human activities such as intensification of agricultural activity, erosion and sedimentation due to irrigation projects, groundwater pollution and eutrophication. Interfaces, or ecotones, between terrestrial and aquatic ecosystems were found to have an essential role in the movement of water and materials throughout the landscape. Ecotones are zones where ecological processes are more intense and resources more diversified. They are also zones which react quickly to human influences and changes of environmental variables. This volume summarises the results presented at an international conference dedicated to the study of groundwater/surface water ecotones, with contributors of international scientific reputation representing the multidisciplinary viewpoints of hydrologists, biologists and ecologists. It addresses areas of active research in hydrology and biology, and is aimed towards researchers, water resource project managers and policy makers.
The Environmental Geochemistry of Mineral Deposits
Author: Geoffrey S. PlumleePublisher:
ISBN:
Category : Environmental geochemistry
Languages : en
Pages : 396
Book Description
Advances in Groundwater Hydrology
Author: American Water Resources AssociationPublisher:
ISBN:
Category : Science
Languages : en
Pages : 350
Book Description
A Numerical Investigation of Metabolic Reductive Dechlorination in DNAPL Source Zones
Author: John Anthony ChristPublisher:
ISBN:
Category :
Languages : en
Pages : 632
Book Description
Among the most intractable environmental remediation problems are those involving the release of dense non-aqueous phase liquids (DNAPLs), such as chlorinated solvents, to the subsurface. Research efforts have focused on the use of numerical models to investigate reductions in contaminant concentrations due to partial mass removal and improvements in the performance of complementary source zone remediation technologies. Previous numerical investigations, however, have been limited to two-dimensional systems. Furthermore, a lack of models capable of simulating the most promising complementary technology, metabolic reductive dechlorination, has limited its application. This work developed and applied compositional multiphase numerical simulators to examine the influence of dimensionality (two-dimensions versus three-dimensions) on DNAPL source zone simulations and to investigate the benefits of stimulating metabolic reductive dechlorination at a chlorinated ethene-DNAPL contaminated site. Results from the dimensionality investigation showed that the simulation of DNAPL migration, entrapment, and dissolution in two dimensions provided reasonable approximations to the behavior simulated in three dimensions. Commonly employed saturation distribution and mass recovery metrics were approximately equivalent. Flux- averaged concentrations simulated in two dimensions, however, tended to be three to four times higher than those simulated in three dimensions. This difference was attributed to dilution at the down gradient boundary. An alternative metric, mass flux reduction, however, yielded better agreement.
Federal Water Project Recreation Act
Author: United States. Congress. House. Committee on Interior and Insular AffairsPublisher:
ISBN:
Category : Outdoor recreation
Languages : en
Pages : 30
Book Description
Battle Creek Salmon and Steelhead Restoration Project
Author: Wildlife in a Changing Climate
Author: Edgar KaeslinPublisher: Fao Inter-Departmental Working Group
ISBN:
Category : Nature
Languages : en
Pages : 128
Book Description
Major climate-induced changes -- Consequences of climate change -- Measures for adaptation to climate change -- Conclusions -- References.