Repository of community practices in Ocean Research, Applications and Data/Information Management
CAPARDUS Practices
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The CAPARDUS H2020 project has focus on standards, guidelines and practices in research, environmental protection, economic activities as well as in regulations and governance of the Arctic. The dramatic change in the climate and environment combined with growing human activities requires standards and regulations. People living and working in the Arctic are expected to operate according to ethics, norms, guidelines or common practices, which often evolve as a bottom-up process. In other cases jurisdiction or regulations provide a top-down framework for guidelines and practices. CAPARDUS contributes to the Arctic Practices Community by documents on standards, guidelines and practices of relevance for scientists, commercial operators, Indigenous and local communities, NGOs and governance bodies. The Arctic Practices Community is an initial repository for supporting CAPARDUS Arctic Practices System Design.
Project URL: https://capardus.nersc.no/
Recent Submissions
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Inverse modelling of cloud-aerosol interactions - Part 2: Sensitivity tests on liquid phase clouds using a Markov chain Monte Carlo based simulation approach.
(2012)This paper presents a novel approach to investigate cloud-aerosol interactions by coupling a Markov chain Monte Carlo (MCMC) algorithm to an adiabatic cloud parcel model. Despite the number of numerical cloud-aerosol ... -
Initial Alignment for SINS Based on Pseudo-Earth Frame in Polar Regions.
(2017)An accurate initial alignment must be required for inertial navigation system (INS). The performance of initial alignment directly affects the following navigation accuracy. However, the rapid convergence of meridians and ... -
CAPARDUS Deliverable 1.2 Report on Arctic standards, protocols and framework model ,Version 1.0.
(Nansen Environmental and Remote Sensing Center, Bergen, Norway, 2023)Standards can act as common language and practices among stakeholders when aiming to share and use observing systems, data, ensure safety, and many other activities in the Arctic. Equipment manufacturers, observing programs, ... -
Relationship Between Carbon- and Oxygen-Based Primary Productivity in the Arctic Ocean, Svalbard Archipelago.
(2019)Phytoplankton contribute half of the primary production (PP) in the biosphere and are the major source of energy for the Arctic Ocean ecosystem. While PP measurements are therefore fundamental to our understanding of marine ... -
Learning Polar Encodings for Arbitrary-Oriented Ship Detection in SAR Images.
(2021)Common horizontal bounding box-based methods are not capable of accurately locating slender ship targets with arbitrary orientations in synthetic aperture radar (SAR) images. Therefore, in recent years, methods based on ... -
Accounting for Uncertainties in Biodiversity Estimations: A New Methodology and its Application to the Mesopelagic Sound Scattering Layer of the High Arctic.
(2022)Measures of biological diversity (biodiversity) are important for monitoring the state of ecosystems. Several indices and methods are used to describe biodiversity from field observations. Marine faunal biodiversity is ... -
Short-Term Polar Motion Forecast Based on the Holt-Winters Algorithm and Angular Momenta of Global Surficial Geophysical Fluids.
(2022)By taking into account the variable free polar motion (PM) known as the Chandler wobble (CW) and irregular forced PM excited by quasi-periodic changes in atmosphere, oceans and land water (described by the data of effective ... -
A simulator for the CLARA-A2 cloud climate data record and its application to assess EC-Earth polar cloudiness.
(2020)This paper describes a new satellite simulator for the CLARA-A2 climate data record (CDR). This simulator takes into account the variable skill in cloud detection in the CLARA-A2 CDR by using a different approach to other ... -
Risk Reasoning from Factor Correlation of Maritime Traffic under Arctic Sea Ice Status Association with a Bayesian Belief Network.
(2021)Sustainable growth should not only be beneficial to the shipping industry in the future, but is also an urgent need to respond to resource and environmental crises and strengthen shipping governance. Maritime traffic in ... -
Parametrization of Eddy Mass Transport in the Arctic Seas Based on the Sensitivity Analysis of Large-Scale Flows.
(2023)The characteristics of eddy mass transport are estimated depending on the values of the parameters of a large-scale flow that forms under the conditions of the shelf seas in the Arctic. For this, the results of numerical ... -
Comparison of the burial rate estimation methods of organic and inorganic carbon and quantification of carbon burial in two high Arctic fjords.
(2018)Quantifying the burial of organic carbon (OC) and inorganic carbon (IC) species in marine sediments contribute to a better understanding of carbon cycle. This is especially important in the Arctic, where carbon deposition ... -
High-latitude surface temperature estimates from thermal satellite data.
(1997)The surface temperature of the polar regions controls sea ice growth, snow melt, and surface-atmosphere energy exchange. However, our limited knowledge of polar surfaces and atmospheres has hampered the development of ... -
Interpreting environmental change in coastal Alaska using traditional and scientific ecological knowledge.
(2014)Humans who interact directly with local ecosystems possess traditional ecological knowledge that enables them to detect and predict ecosystem changes. Humans who use scientific ecological methods can use species such as ... -
A comparison between gradient descent and stochastic approaches for parameter optimization of a sea ice model.
(2013)Two types of optimization methods were applied to a parameter optimization problem in a coupled ocean-sea ice model of the Arctic, and applicability and efficiency of the respective methods were examined. One optimization ... -
Less Surface Sea Ice Melt in the CESM2 Improves Arctic Sea Ice Simulation With Minimal Non-Polar Climate Impacts.
(2022)This study isolates the influence of sea ice mean state on pre-industrial climate and transient 1850-2100 climate change within a fully coupled global model: The Community Earth System Model version 2 (CESM2). The CESM2 ... -
Lead Detection in Polar Oceans: A Comparison of Different Classification Methods for Cryosat-2 SAR Data.
(2018)In polar regions, sea-ice hinders the precise observation of Sea Surface Heights (SSH) by satellite altimetry. In order to derive reliable heights for the openings within the ice, two steps have to be fulfilled: (1) the ... -
A Bayesian Logistic Regression for Probabilistic Forecasts of the Minimum September Arctic Sea Ice Cover.
(2020)This study introduces a Bayesian logistic regression framework that is capable of providing skillful probabilistic forecasts of Arctic sea ice cover, along with quantifying the attendant uncertainties. The presence or ... -
Harnessing the Power of Community Science to Address Data Gaps in Arctic Observing: Invasive Species in Alaska as Case Examples.
(2021)The Arctic is undergoing large-scale changes that are likely to accelerate in future decades such as introductions and expansions of invasive species. The Arctic is in a unique position to prevent new introductions and ... -
A Comparative Study of Statistical Techniques for Prediction of Meteorological and Oceanographic Conditions: An Application in Sea Spray Icing
(2021)Environmental conditions in Arctic waters pose challenges to various offshore industrial activities. In this regard, better prediction of meteorological and oceanographic conditions contributes to addressing the challenges ... -
Evaluation of Pollutant Emissions into the Atmosphere during the Loading of Hydrocarbons in Marine Oil Tankers in the Arctic Region.
(2020)Emissions of volatile organic compounds into the atmosphere when loading oil or petroleum products into tankers are strong environmental pollutants. Given the increase in oil transport by sea and the development of Arctic ...
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