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Sensitivity of Antarctic phytoplankton species to ocean acidification: Growth, carbon acquisition, and species interaction
Growth carbon acquisition species interaction
2014/4/2
Despite the fact that ocean acidification is considered to be especially pronounced in the Southern Ocean, little
is known about CO2
-dependent physiological processes and the interactions of Antarc...
Elevated CO2 increases sensitivity to ultraviolet radiation in lacustrine phytoplankton assemblages
Elevated CO2 increases sensitivity ultraviolet radiation lacustrine phytoplankton assemblages
2014/4/17
This study tests the effects of elevated CO2 and ultraviolet radiation (UVR) on phytoplankton photosynthesis through in situ incubations in Lake Giles, Pennsylvania. In a first experiment, CO2 was sup...
Humidity Sensitivity of Atmospheric Temperature Sensors by Salt Contamination
Atmospheric Temperature Sensors Salt Contamination
2009/2/23
Anomalous results concerning the micrometeorological temperature field in the boundary layer over the ocean have been obtained in many recent experiments. These include lack of an inertial-convective ...
Sensitivity of Mixed layer Predictions at Ocean Station Papa to Atmospheric Forcing Parameters
Mixed layer Atmospheric Forcing Parameters Ocean Station Papa
2009/1/20
The effect of errors and biases in the atmospheric forcing for oceanic mixed layer model predictions is studied using data sensitivity techniques. First the bulk model of Garwood is used to predict 17...
Solution of Nonlinear Finite Difference Ocean Models by Optimization Methods with Sensitivity and Observational Strategy Analysis
Nonlinear Finite Difference Ocean Models Optimization Methods
2009/1/13
Dynamical models driven by “observed” forcing fields (e.g., the wind) have a true solution uncertainty owing to observational errors in the driving. This uncertainty is usually hidden from view becaus...
Parameter Sensitivity of Primitive Equation Ocean General Circulation Models
Primitive Equation Ocean General Circulation Models Parameter Sensitivity
2009/1/7
Experiments with a low resolution, primitive equation ocean general circulation model with idealized basin geometry and surface forcing have been carried out in order to identify the processes control...
Predictability of Quasi-geostrophic Ocean Flow: Sensitivity to Varying Model Vertical Resolution
Quasi-geostrophic Ocean Flow Vertical Resolution Gulf Stream
2009/1/5
Results from a set of 2- and 3-mode quasi-geostrophic simulations are used to estimate the predictability time scale of a Gulf Stream-like flow and investigate the sensitivity of the predictability ti...
The Southern Ocean Thermohaline Circulation：A Numerical Model Sensitivity Study
primitive equation model two-dimensional Southern Ocean Thermohaline Circulation
2008/12/30
A two-dimensional primitive equation model is developed to study the thermohaline circulation of the Southern Ocean. The primary objectives are to identify those elements of the ocean climate model im...
Sensitivity of the GFDL Ocean General Circulation Model to a Parameterization of Vertical Diffusion
GFDL Ocean General Circulation Vertical Diffusion
2008/12/27
A coarse resolution, primitive equation general circulation model with idealized geometry and forcing is used to explore sensitivity to the assumption that vertical diffusion depends upon local stabil...
Variational Assimilation of XBT Data. Part II. Sensitivity Studies and Use of Smoothing Constraints
Variational Assimilation XBT Data Smoothing Constraints
2008/12/27
A linear reduced-gravity model of the tropical pacific is used to assimilate XBT data. The model cannot fit the data in the eastern equatorial Pacific for the whole assimilation period. Several experi...
Sensitivity of the GFDL Ocean Model to Different Diffusivities for Heat and Salt
diffusivity for salt diffusivity for temperature GFDL Ocean Model
2008/12/23
This work investigates the use of different vertical eddy diffusivity for salt (Ds) and for temperature (DT) in a coarse-resolution primitive equation ocean model. The diffusivity ratio d Ds/DT is ta...
Eddy Dynamics in a Primitive Equation Model：Sensitivity to Horizontal Resolution and Friction
primitive equation model mesoscale eddies Eddy Dynamics
2008/12/22
A primitive equation model of an idealized ocean basin, driven by simple, study wind and buoyancy forcing at the surface, is used to study the dynamics of mesoscale eddies. Model statistics of a six-y...
A Bottom Boundary Layer-resolving Three-Dimensional Tidal Model：A Sensitivity Study of Eddy Viscosity Formulation
three-dimensional hydrodynamic model Eddy Viscosity Formulation bottom boundary layer
2008/12/18
A three-dimensional hydrodynamic model of the Irish Sea that resolves the bottom boundary layer, including the logarithmic layer, is developed. A finite-difference grid is employed in the horizontal, ...
Mean Circulation of the Hamburg LSG OGCM and Its Sensitivity to the Thermohaline Surface Forcing
Large Scale Geostrophic Mean Circulation Thermohaline Surface Forcing
2008/12/18
The sensitivity of the global ocean circulation to changes in surface heat flux forcing is studied using the Hamburg Large Scale Geostrophic (LSG) ocean circulation model. The simulated mean ocean cir...
Sensitivity of a Large-Scale Ocean Model to a Parameterization of Topographic Stress
Large-Scale Ocean Model Topographic Stress
2008/12/17
A conventional ocean model was revised to include a tendency for velocities to relax toward a maximum entropy solution that depends on the shape of topography. The tendency, called topographic stress,...