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Towards a knowledge base to support global change policy goals

International Journal of Digital Earth 2020年第2期13卷 188-216页

作者： Stefano Nativi Mattia Santoro Gregory Giuliani Paolo Mazzetti European Commission–DG Joint Research Centre Ispra(VA)Italy National research Council of Italy–Institute on Atmospheric research pollution Sesto Fiorentino(FI)Italy University of Geneva Institute for Environmental SciencesGenevaSwitzerland UN Environment Science DivisionGRID-GenevaGenevaSwitzerland

In 2015,it was adopted the 2030 Agenda for Sustainable Development to end poverty,protect the planet and ensure that all people enjoy peace and *** year after,17 Sustainable Development Goals(SDGs)officially came into *** 2015,GEO(Group on Earth Observation)declared to support the implementation of *** GEO Global Earth Observation System of Systems(GEOSS)required a change of paradigm,moving from a data-centric approach to a more knowledge-driven *** this end,the GEO System-of-Systems(SoS)framework may refer to the well-known Data-Information-Knowledge-Wisdom(DIKW)*** the context of an Earth Observation(EO)SoS,a set of main elements are recognized as connecting links for generating knowledge from EO and non-EO data–*** and economic *** elements are:Essential Variables(EVs),Indicators and Indexes,Goals and *** generation and use requires the development of a SoS KB whose management process has evolved the GEOSS Software Ecosystem into a GEOSS Social *** includes:collect,formalize,publish,access,use,and update *** project analysed the knowledge necessary to recognize,formalize,access,and use *** analysis recognized GEOSS gaps providing recommendations on supporting global decision-making within and across different domains.

关键词： Knowledge base from data to knowledge essential variables SDGs GEOSS interoperability science big earth data

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Developing food,water and energy nexus workflows

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International Journal of Digital Earth 2020年第2期13卷 299-308页

作者： Ian McCallum Carsten Montzka Bagher Bayat Stefan Kollet Andrii Kolotii Nataliia Kussul Mykola Lavreniuk Anthony Lehmann Joan Maso Paolo Mazzetti Aline Mosnier Emma Perracchione Mario Putti Mattia Santoro Ivette Serral Leonid Shumilo Daniel Spengler Steffen Fritza IIASA LaxenburgAustria FZJ Forschungszentrum Juelich GmbHJuelichGermany SRI Space Research InstituteKievUkraine KPI National Technical University of UkraineIgor Sikorsky Kyiv Polytechnic InstituteKievUkraine Institute of Environmental Sciences UNIGEUniversity of GenevaGenevaSwitzerland CREAF BarcelonaSpain CNR National Research Council of ItalyFlorenceItaly Department of Mathematics UNIPDUniversity of PadovaPadovaItaly GFZ Helmholtz Centre PotsdamPotsdamGermany

There is a growing recognition of the interdependencies among the supply systems that rely upon food,water and *** of people lack safe and sufficient access to these systems,coupled with a rapidly growing global demand and increasing resource *** frameworks are considered one of the few means available to understand the complex interrelationships among the sectors,however development of nexus related frameworks has been *** describe three opensource models well known in their respective domains(***,WOFOST and SWAT)where components of each if combined could help decision-makers address the nexus *** propose as a first step the development of simple workflows utilizing essential variables and addressing components of the above-mentioned models which can act as building-blocks to be used ultimately in a comprehensive nexus model *** outputs of the workflows and the model framework are designed to address the SDGs.

关键词： Food water energy nexus modeling workflows modelframework essential variables SDGs

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Which variables are essential for renewable energies?

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International Journal of Digital Earth 2020年第2期13卷 253-261页

作者： Thierry Ranchin Mélodie Trolliet Lionel Ménard Lucien Wald MINES ParisTech PSL UniversityO.I.E.-Centre ObservationImpactsEnergieSophia Antipolis CedexFrance

Essential Variables are defined as a minimal set of variables that explain the state of the *** are crucial for predicting its developments,and support metrics that measure its *** variables should be relevant to meet requirements of stakeholders and be technically and economically feasible for systematic observation.A definition of Essential Renewable Energies Variables is proposed linked with their identification in several domains in renewable energy using a bottom-up and userdriven approach,and spanning over several years of documented interaction with *** of variables are proposed in hydropower,solar,wind,and marine *** does not comprise the variables relating to social and economic aspects supporting decision making in investment nor those relating to civil engineering that are needed to erect a plant or farm.

关键词： Renewable energy solar energy wind energy hydropower energy renewable marine energy essential variables GEOSS

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Earth observations for sustainable development goals monitoring based on essential variables and driver-pressure-state-impactresponse indicators

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International Journal of Digital Earth 2020年第2期13卷 217-235页

作者： Joan Masó Ivette Serral Cristina Domingo-Marimon Alaitz Zabala CREAF Grumets Research Group CREAFEdifici C.Universitat Autònoma de BarcelonaBellaterraCataloniaSpain Dept.Geografia Grumets Research GroupEdifici B.Universitat Autònoma de BarcelonaBellaterraCataloniaSpain

In recent years,researchers of different communities have increased their efforts in formalizing a set of measurements regularly collected for analysing changes in Drivers,States,Impacts and Responses of a given *** some cases,different actors have converged in a minimum set of Essential Variables(EVs),such as for Climate,Biodiversity or *** definition of such EVs is an ongoing evolution and in extension(*** for water)although some communities have not even started(*** and energy).This paper characterizes the Earth Observation(EO)networks and creates a graph representation of their ***,this graph is enriched with the EVs produced by each network creating a knowledge ***,an effort has been done to identify links between EVs and Sustainable Development Goals(SDG)indicators in a way that they indirectly connect the *** analysis to detect gaps in EO variables due to a lack of observational networks is *** suggestions for improving SDG indicators framework by considering EVs are exposed,as well as proposing new necessary EVs and suggesting new EO based *** complete graph is available in the ENEON website(http://***/graphev-sdg/).

关键词： Gap analysis policy monitoring essential variables earth observation

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