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International Journal of Digital Earth 2011年第S01期4卷 8-24页

作者： c.corbane D.carrion M.Broglia European commission Joint Research CentreIspraItaly

Validation is an emerging topic in the field of geospatial information for emergency *** the framework of the Global Monitoring for Environment and Security initiative,the Services and Applications for Emergency Response project seeks to implement and validate the pre-operational version of Emergency Response core *** that context,a dedicated effort has been made in the development and implementation of a comprehensive,productoriented validation protocol tailored to crisis maps and data *** paper presents the approach for validation of crisis maps and its application in the context of rapid mapping of forest fires in corsica during the summer of *** also discusses the main challenges and the critical aspects of validation of geospatial information in emergency response services.

关键词： validation protocol crisis mapping remote sensing forest fires

First extensive and cost-effective quality check of crisis Maps: presentation of assessment parameters and results

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International Journal of Digital Earth 2013年第S02期6卷 50-66页

作者： D.carrion c.corbane M.Broglia M.Pesaresi Politecnico di Milano DIIARSurveyingMilanoItaly European commission Joint Research CentreInstitute for the Protection and Security of the CitizenIspra(VA)Italy

The digital representation of disaster situations into maps,mainly based on remotely sensed observations,is becoming a widely used instrument for emergency *** of maps are being produced all over the world and big attention is paid by international institutions,such as the World Bank,the United Nations and the European commission to these *** quality of crisis maps is a crucial element to ensure effectiveness in the disaster response chain,but it is often neglected with respect to the need for a rapid *** this paper a sample of crisis maps produced between 2005 and 2010 by world leader providers has been evaluated through around 40 parameters assessed by visual analysis and extracted from the validation protocol designed at the Joint Research centre(JRc)of the European *** maps turned out to be in most cases clearly readable,but some gaps and inconsistencies have been singled out,due to the lack of international standard *** results are analysed in detail and some remarks are presented.

关键词： emergency maps quality assessment readability metadata cartographic standards

The Generalised Settlement Area:mapping the Earth surface in the vicinity of built-up areas

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International Journal of Digital Earth 2020年第1期13卷 45-60页

作者： A.J.Florczyk M.Melchiorri J.Zeidler c.corbane M.Schiavina S.Freire F.Sabo P.Politis T.Esch M.Pesaresi European commission Joint Research Centre(JRC)Directorate for SpaceSecurity&MigrationIspraItaly Piksel S.r.l MilanoItaly German Aerospace center(DLR) German Remote Sensing Data Center(DFD)WeßlingGermany Arhs Developments Italia S.r.l.Milano Italy Arhs Developments S.A. LuxembourgLuxembourg

Geo-information on settlements from Earth Observation offers a base for objective and scalable monitoring of the evolution of cities and settlements,including their location,extent and other *** this work,we deploy the best available global knowledge on the presence of human settlements and built-up structures derived from Earth Observation to advance the understanding of the human presence on *** start from a concept of Generalised Settlement Area to identify the Earth surface within which any built-up structure is *** further characterise the resulted map by using an agreement map among the state of the art of remote sensing products mapping built-up areas or other strictly related semantic abstractions as urban areas or artificial *** agreement map is formed by a grid of 1 km2,where each cell is classified according to the number of EO-derived products reporting any positive occurrence of the abstractions related to the presence of built-up *** paper describes the characteristics of the Generalised Settlement Area,the differences in the agreement map across geographic regions of the world,and outlines the implications for potential users of the EO-derived products used in this study.

关键词： Generalised settlement area built-up area human settlement map agreement map

Validation of EO-derived information for crisis management: a Digital Earth perspective in the VALgEO expert community

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International Journal of Digital Earth 2011年第S1期4卷 1-7页

作者： corbane, c. Pesaresi, M. carrion, D. European commission Joint Research Centre Italy

New generation remote sensing technologies today open new application areas and demonstrate their effectiveness providing geo-information in support of disaster *** the same time,new challenges can be identified and among them the validation of geo-information under the new specific constraints dictated by the disaster management application area has a crucial *** the frame of the Digital Earth concept,geo-information is a sharable resource,and a resource is truly shareable not only if we know the formal code used to make itand then we can read itbut alsoand in particular during disasterif we know the reliability of this *** is crucial in order to avoid information overflow and time wasting during the decision-making process in support of disaster ***‘International workshop on validation of geo-information products for crisis management,’VALgEO 2009,was held at the Joint Research centre,in Ispra,Italy on 2123 November *** purpose of this first workshop was to initiate a dialog between the main actors of Emergency Response Services around validation and to raise awareness of the necessity for an independent formal assessment of geoinformation for disaster *** special issue includes a collection of invited papers presented at the *** gathers interdisciplinary initiatives where the majority of the contributions either directly or implicitly address different aspects of validation of geo-information generated following a disaster,ranging from flood information to forest fires and earthquake damage assessments.

关键词： disaster Earth flood

Urban sprawl in provincial capital cities in china: evidence from multi-temporal urban land products using Landsat data

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Science Bulletin 2019年第14期64卷 955-957页

作者： Linlin Lu Huadong Guo christina corbane Qingting Li Key Laboratory of Digital Earth Science Institute of Remote Sensing and Digital Earth Chinese Academy of Sciences Beijing 100094 China European commission Joint Research Centre (JRC) Directorate for Space Security & Migration Ispra I-21027 Italy

The onset of global urbanization has led to a population shift from rural to urban areas and the expansion of urban development [1-3]. Urban land areas are growing at faster rates than their populations in most parts of the world [4]. The urban sprawl process refers to dispersed land development characterized by low-density, unplanned, and uneven patter ns of growth duri ng urban expansion. This process can result in inefficient use of land resources contradictory to the principle of sustainable development [5]. Additionally, urban sprawl has various environmental, economic, and social consequences, including the following: loss of agricultural land, higher costs for transportation infrastructure, increased landscape fragmentation, degeneration of soil ecological functions, and reduced ecosystem resilience. It is crucial to understand the trends and patterns of urban sprawl to implement a framework for sustainable urban development in developing regions.

关键词： urban development populations world

Enhanced data and methods for improving open and free global population grids:putting‘leaving noonebehind’into practice

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International Journal of Digital Earth 2020年第1期13卷 61-77页

作者： Sergio Freire Marcello Schiavina Aneta J.Florczyk Kytt MacManus Martino Pesaresi christina corbane Olena Borkovska Jane Mills Linda Pistolesi John Squires Richard Sliuzas European commission Joint Research Centre(JRC)IspraItaly Faculty of Geo-Information Science and Earth Observation(ITc) University of TwenteEnschedeNetherlands columbia University cIESIN Geoscience PalisadesNYUSA

Data on global population distribution are a strategic resource currently in high demand in an age of new Development Agendas that call for universal inclusiveness of ***,quality,detail,and age of census data varies significantly by country and suffers from shortcomings that propagate to derived population grids and their *** this work,the improved capabilities of recent remote sensing-derived global settlement data to detect and mitigate major discrepancies with census data is *** layers mapping builtup presence were used to revise census units deemed as‘unpopulated’and to harmonize population distribution along *** procedures to detect and mitigate these anomalies,while minimizing changes to census geometry,preserving the regional distribution of population,and the overall counts were developed,tested,and *** two procedures employed for the detection of deficiencies in global census data obtained high rates of true positives,after verification and *** also show that the targeted anomalies were significantly mitigated and are encouraging for further uses of free and open geospatial data derived from remote sensing in complementing and improving conventional sources of fundamental population statistics.

关键词： Population statistics census built-up areas GPW GHSL