ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
Ecosystem service assessments have increasingly been used to support environmental management policies, mainly based on biophysical and economic indicators. However, few studies have coped with the social-cultural dimension of ecosystem services, despite being considered a research priority. We examined ...
The aim of this study was to assess the impact of metribuzin in surface waters on fish under experimental conditions. The effects of subchronic exposure to metribuzin on fish growth and the development of histopathological changes in selected organs (gill, kidney, liver) and on activity of some biochemical ...
Background Worldwide, adult harbor seals (Phoca vitulina) typically limit their movements and activity to 100 km from their capture site at least once, two of which traveled round trip to and from the Pacific coast, a total distance >400 km. Disjunct spatial use patterns observed provide new insight ...
The goal of this study was to model haul-out behavior of harbor seals (Phoca vitulina) in the Hood Canal region of Washington State with respect to changes in physiological, environmental, and temporal covariates. Previous research has provided a solid understanding of seal haul-out behavior. Here, ...
ABSTRACT The practical use of Ocean Thermal Energy Conversion (OTEC) is refocused because it is possible to supply stable electric power and a variety of integrated applications. This paper investigates on the thermal performance of Double Stage-Rankine cycle that has independent equipment respectively ...
ABSTRACT Ocean Thermal Energy Conversion (OTEC) can supply stable electric power and a variety of integrated applications. This paper investigates on the thermal performance of Rankine cycle using HFC245fa as working fluid. Rankine cycle was compared among working fluids of different properties that ...
ABSTRACT The paper summarizes the design concept and outline of a buoy system for monitoring a coastal sea state. Miniaturization of the buoy was achieved by submerging it in severe sea conditions. The configurations and tensions of the mooring lines in disturbances were calculated, and it was confirmed ...
ABSTRACT Tidal flow hydrodynamics near coastlines can be very complex due to the presence of complicated bottom topographies and irregular boundaries. The model described in this paper has been developed for the prediction of tidal flows on a global scale to inform further detailed modeling on a local ...
ABSTRACT The exclusive economic zone (EEZ) of Japan has a very wide area. Accordingly, technology for the effective exploitation and use of mineral resources in the EEZ will be a key for sustainable development in Japanese industry. When marine mineral resources are developed, it is necessary to evaluate ...
ABSTRACT Xiangshan Bay characterized by typical bedrock and silt is a long and narrow coast waters. It is both a traditional shellfish and algae breeding base and a frequent human activity area, where the environmental pollution is increasingly severe. Simulating pollutant transport process and forecasting ...
ABSTRACT We collected and analyzed monitoring data sets in Tokyo Bay, including measurements of detailed time series of vertical profiles of water quality for one year period to enhance modeling of light intensity and phytoplankton dynamics in the bay. We modeled the relationship among PAR and chlorophyll ...
ABSTRACT: The purpose of this research is to investigate the feasibility of a solarpowered underwater glider for realising a long-term and wide-ranging underwater cruise. The SORA glider equipped with two thrustors and amorphous-silicon solar panels was firstly developed as a test-bed vehicle of the ...
ABSTRACT: A survey was conducted to identify the actual changes of the seabed environment of Matsushima Bay after the 2011 Tohoku earthquake and tsunami using compact side-scan sonar. Three different seabed topographies were surveyed: a submerged breakwater, an eelgrass bed around oyster farms, and ...
ABSTRACT: Seasonal sand accumulation processes in Kirinda Fishery Harbour was studied using field data and numerically reproduced results. In order to explain the bottom topography variation occurred during February 2005 - February 2006 period in the vicinity of the harbour, a 2DH numerical model, ...
ABSTRACT: This paper presents groins with a clear opening in their cross section as a tool for protecting the shore area. The opening allows water circulation and flushing in the near shore zone while protecting the swimmers from direct exposure to wave attack. The possible impact of the opening size ...
The March 2011 earthquake off the Pacific coast of Tohoku was followed by great tsunami waves. The objectives of the present study are to apply the unstructured-mesh model FVCOM to tsunami propagation in Tokyo Bay and ports in the bay with high spatial resolution and to understand the mechanisms governing ...
ABSTRACT The study presented here describes the geometry optimization of the Sea wave Slot cone Generator (SSG) overtopping wave energy converter as part of the feasibility study for the implementation of the device in the development plan of Hanstholm harbour in Denmark. The total length of the new ...
ABSTRACT The development of wave energy conversion has reached the pre-commercialization stage; with many developers ready for full-scale grid-connected deployment. In many cases developers are required to produce an Environmental Impact Assessment (EIA) to be granted permission for development of ...
ABSTRACT The present work aims to find out the applicability of the bulge concept used in the Anaconda (Chaplin et al., 2011) on a possible seabed version. The tested model is a long rectangular duct covered with an elastic membrane and placed on the seabed, parallel to wave propagation. The tension ...
ABSTRACT The paper covers the statement of simulation problem for ice loads acting on ship hull. The application of probabilistic approach to ice loads" estimation is substantiated. The main theoretical propositions as well as the general algorithm and the basic scheme of simulation process implementation ...