نتایج جستجو برای: deep water table

تعداد نتایج: 851194  

Journal: :Journal of physics 2023

Abstract With the aim of investigating effect water depth on earthquake response a deep-water cable-stayed bridge tower, this study designed and manufactured large-scale tower model, taking across deep reservoir hydropower station as reference. Under boundary conditions similar to reference, shaking table tests were conducted reflect structural under white noise actions at different depths. The...

2010
Evan S. Kane Merritt R. Turetsky Jennifer W. Harden A. David McGuire James M. Waddington

[1] Boreal wetland carbon cycling is vulnerable to climate change in part because hydrology and the extent of frozen ground have strong influences on plant and microbial functions. We examined the response of dissolved organic carbon (DOC) and total dissolved nitrogen (TDN) across an experimental manipulation of water table position (both raised and lowered water table treatments) in a boreal‐r...

Journal: :Annales de Parasitologie Humaine et Comparée 1990

Journal: :Botanical Gazette 1890

2006
Peter Ruggiero Jeff List Dan Hanes Jodi Eshleman

dology is developed in which a simple deterministic shoreline change model is in a probabilistic manner as one component of a quantitative coastal change assessment. The main drivers of decadal-scale shoreline change, wave climate ment supply, are varied within a range of realistic scenarios to develop over 200 e change model simulations. Through numerous SWAN wave simulations, a table is devel...

Journal: :Ground water 2009
Eve L Kuniansky Mark A Lowery Bruce G Campbell

For regional models, the shallow water table surface is often used as a source/sink boundary condition, as model grid scale precludes simulation of the water table aquifer. This approach is appropriate when the water table surface is relatively stationary. Since water table surface maps are not readily available, the elevation of the water table used in model cells is estimated via a two-step p...

2006
Jill L. Bubier Tim R. Moore Gareth Crosby

Carbon (C) modeling and carbon dioxide (CO2) flux measurements in peatlands are dependent on the distribution and productivity of vegetation in a system with a high degree of spatial variability, often linked to the position of the water table. We tested the hypothesis that at a fine-scale (tens of metres) water table position exerts a strong control on species abundance, plant biomass, particu...

Journal: :Journal of the Japanese Association for Petroleum Technology 2003

2008
TosHLo GoTo TOSHIO GOTO

THE STRUCTURE OF THE LUCIFERINS With their fascinating phenomena we recognize many bioluminescent organisms, such as firefly, luminous bacteria, luminous fungi, and luminous deep-sea fish. Some eighty years ago, Dubois found that the bioluminescence of the luminescent beetle Pyrophorus is due to the luciferin—luciferase reaction. Bioluminescence1—9 was observed when a hot aqueous extract ("luci...

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