2000 Vol. 19, No. 2
Display Method:
2000, (2): 1-6.
Abstract:
The Hessian matrix,which is formed by the second-order partial derivatives of the cost function with respect to control variables,plays an important role in the procedure of variational data assimilation(VDA),sensitivity analysis,etc.,and it can be o...
The Hessian matrix,which is formed by the second-order partial derivatives of the cost function with respect to control variables,plays an important role in the procedure of variational data assimilation(VDA),sensitivity analysis,etc.,and it can be o...
2000, (2): 7-18.
Abstract:
The temporal variations and geographical distributions of sensible and latent heat fluxes over the Pacific were calculated and analyzed by using the Goddard Earth Observing System(GEOS) four-dimensional Data Assimilation System(DAS).The calculated re...
The temporal variations and geographical distributions of sensible and latent heat fluxes over the Pacific were calculated and analyzed by using the Goddard Earth Observing System(GEOS) four-dimensional Data Assimilation System(DAS).The calculated re...
2000, (2): 19-27.
Abstract:
The specific activities of 224Ra,226Ra and 228Ra were determined by measuring γ-rays of their daughters with HPGe γ spectrometer after preconcentrating Ra isotope' with Mn-fiber adsorption from large volume seawater.The calculating formulas of specif...
The specific activities of 224Ra,226Ra and 228Ra were determined by measuring γ-rays of their daughters with HPGe γ spectrometer after preconcentrating Ra isotope' with Mn-fiber adsorption from large volume seawater.The calculating formulas of specif...
2000, (2): 29-35.
Abstract:
Alkaline phosphatase activity(APA) and dissolved phosphonis were monitored during the batch cultures of two marine microalgae.Results indicate that variation of APA was in the shape of "S" curve.Different species of dissolved phosphorus had different...
Alkaline phosphatase activity(APA) and dissolved phosphonis were monitored during the batch cultures of two marine microalgae.Results indicate that variation of APA was in the shape of "S" curve.Different species of dissolved phosphorus had different...
2000, (2): 37-44.
Abstract:
The spatial and temporal distributions of new production vary largely in different sea area.To understand the level of new production in the sea area studied better,an estimate of new production must be obtained in large spatial and temporal scales.T...
The spatial and temporal distributions of new production vary largely in different sea area.To understand the level of new production in the sea area studied better,an estimate of new production must be obtained in large spatial and temporal scales.T...
2000, (2): 45-55.
Abstract:
By using satellite remote sensing informations,the conceptual system of time-space attributes and time dimension in recent evolution of the sand spit at the Huanghe River mouth is expounded.Based on this work,the parameterization of relevant factors ...
By using satellite remote sensing informations,the conceptual system of time-space attributes and time dimension in recent evolution of the sand spit at the Huanghe River mouth is expounded.Based on this work,the parameterization of relevant factors ...
2000, (2): 57-67.
Abstract:
Geotechnical data obtained from the polymetallic nodules investigation in 1994,in combination with the historical data concerned,are analyzed comprehensively to study sediment types,geotechnical properties,soil strength and so on,in order to provide ...
Geotechnical data obtained from the polymetallic nodules investigation in 1994,in combination with the historical data concerned,are analyzed comprehensively to study sediment types,geotechnical properties,soil strength and so on,in order to provide ...
2000, (2): 69-81.
Abstract:
On the basis of the investigation materials of 6 cruises in the waters north of Taiwan from 1987-1990,the distribution characteristics of planktonic copepods are discussed in the study from three aspects of abundance distribution,community feature an...
On the basis of the investigation materials of 6 cruises in the waters north of Taiwan from 1987-1990,the distribution characteristics of planktonic copepods are discussed in the study from three aspects of abundance distribution,community feature an...
2000, (2): 83-88.
Abstract:
Somatic cells were prepared from sea snail enzyme digests of Porphyra yezoensis thalli.Using SDS-Proteinase K as extraction solution,total DNA was isolated from the somatic cells.The crude extracts of total DNA were purified with glassmilk,and the re...
Somatic cells were prepared from sea snail enzyme digests of Porphyra yezoensis thalli.Using SDS-Proteinase K as extraction solution,total DNA was isolated from the somatic cells.The crude extracts of total DNA were purified with glassmilk,and the re...
2000, (2): 89-95.
Abstract:
In China,the total annual production of cultured Laminaria japonica reached half million tons in dry weight these few years.The routine sporeling culture technique conducted in the greenhouse took aF least three and half months.In such a case,sometim...
In China,the total annual production of cultured Laminaria japonica reached half million tons in dry weight these few years.The routine sporeling culture technique conducted in the greenhouse took aF least three and half months.In such a case,sometim...
2000, (2): 97-110.
Abstract:
Based on the data of the Jiaozbou Bay Ecosystem Dynamic Research,cell volume and surface area of 87 common phytoplankton species in China sea waters were calculated with assignment of the similar geometric form.The cell plasma volume,live weight,carb...
Based on the data of the Jiaozbou Bay Ecosystem Dynamic Research,cell volume and surface area of 87 common phytoplankton species in China sea waters were calculated with assignment of the similar geometric form.The cell plasma volume,live weight,carb...
2000, (2): 111-125.
Abstract:
Comparisons of wave reflection,transmission and harmonics due to different types of submerged structures are investigated by a numerical method,the boundary-fitted coordinate(BFC) method.The types of submerged structures include a submerged horizonta...
Comparisons of wave reflection,transmission and harmonics due to different types of submerged structures are investigated by a numerical method,the boundary-fitted coordinate(BFC) method.The types of submerged structures include a submerged horizonta...
2000, (2): 127-136.
Abstract:
A systematic study of waves,nearshore currents and sediment transport related to the coastal evolution of sand beach under the action of wave,has been carried out.On the basis of the resalts,a numerical model of sand beach evolution around coastal st...
A systematic study of waves,nearshore currents and sediment transport related to the coastal evolution of sand beach under the action of wave,has been carried out.On the basis of the resalts,a numerical model of sand beach evolution around coastal st...
2000, (2): 137-144.
Abstract:
Based on N-S equations,the depth-averaged stress-flux algebraic model is used to simulate the anisotropic transport and dispersion when hot water or pollutants are side-discharged into large water body.In this model the depth-averaged continuity,mome...
Based on N-S equations,the depth-averaged stress-flux algebraic model is used to simulate the anisotropic transport and dispersion when hot water or pollutants are side-discharged into large water body.In this model the depth-averaged continuity,mome...
2000, (2): 145-152.
Abstract:
