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Caractérisation de la capacité de rétention de neige d’un plateau karstique. Essai méthodologique pour le plateau du Jabal Jraid (Liban) / Janine Somma in Revue internationale de géomatique, vol 24 n° 1 (mars – mai 2014)
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Titre : Caractérisation de la capacité de rétention de neige d’un plateau karstique. Essai méthodologique pour le plateau du Jabal Jraid (Liban) Type de document : Article/Communication Auteurs : Janine Somma, Auteur ; Laurent Drapeau, Auteur ; Charbel Abou Chakra, Auteur Année de publication : 2014 Article en page(s) : pp 87 - 99 Note générale : Bibliographie Langues : Français (fre) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] analyse diachronique
[Termes IGN] changement climatique
[Termes IGN] estimation statistique
[Termes IGN] karst
[Termes IGN] Liban
[Termes IGN] modèle numérique de surface
[Termes IGN] neige
[Termes IGN] relief
[Termes IGN] ressources en eau
[Termes IGN] télédétection spatialeRésumé : (Auteur) L’observation continue et systématique des réserves d’eau constituées par le couvert neigeux s’impose pour la planification de la gestion de l’eau en ces temps de changements climatiques. Les hauts plateaux du Liban, de par leur relief karstique, ont une capacité de rétention et de stockage des précipitations neigeuses de toute importance. Cet article expose une approche méthodologique pour l’estimation de la capacité de rétention maximum qu’offre un tel type de relief. Numéro de notice : A2014-180 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.3166/rig.24.87-99 En ligne : https://doi.org/10.3166/rig.24.87-99 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=33085
in Revue internationale de géomatique > vol 24 n° 1 (mars – mai 2014) . - pp 87 - 99[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 047-2014011 SL Revue Centre de documentation Revues en salle Disponible Carbon stock changes of forest land in Finland under different levels of wood use and climate change / Risto Sievänen in Annals of Forest Science, vol 71 n° 2 (March 2014)
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Titre : Carbon stock changes of forest land in Finland under different levels of wood use and climate change Type de document : Article/Communication Auteurs : Risto Sievänen, Auteur ; Olli Salminen, Auteur ; Aleski Lehtonen, Auteur ; et al., Auteur Année de publication : 2014 Article en page(s) : pp 255 - 265 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] analyse comparative
[Termes IGN] changement climatique
[Termes IGN] Finlande
[Termes IGN] forêt boréale
[Termes IGN] puits de carbone
[Termes IGN] sylviculture
[Vedettes matières IGN] Végétation et changement climatiqueRésumé : (Auteur) Context: Prediction of the effect of harvests and climate change (CC) on the changes in carbon stock of forests is necessary both for CC mitigation and adaptation purposes. Aims: We assessed the impact of roundwood and fuelwood removals and climate change (CC) on the changes in carbon stock of Finnish forests during 2007–2042. We considered three harvest scenarios: two based on the recent projections of roundwood and fuelwood demand, and the third reflecting the maximum sustainable cutting level. We applied two climate scenarios: the climate was in the state that prevailed around year 2006, or it changed according to the IPCC SRES A1B scenario. Methods: We combined the large-scale forestry model MELA with the soil carbon model Yasso07 for mineral soils. For soils of drained, forested peatlands, we used a method based on emission factors. Results: The stock change of trees accounted for approximately 80 % of the total stock change. Trees and mineral soils acted as carbon sinks and the drained peatland soils as a carbon source. The forest carbon sink increased clearly in both of the demand-based scenarios, reaching the level of 13–20 Tg C/year (without CC). The planned increase in the use of bioenergy reduced the forest sink by 2.6 Tg C/year. CC increased the forest carbon sink in 2042 by 38 %–58 % depending on the scenario. CC decreased the sink of mineral soils in the initial years of the simulations; after 2030, the effect was slightly positive. CC increased the emissions from the drained peatland soils. Conclusions: It is likely that forest land in Finland acts as a carbon sink in the future. The changes in carbon stocks of trees, mineral soils, and peatland soils respond differently to CC and fuelwood and roundwood harvests. Numéro de notice : A2014-052 Affiliation des auteurs : non IGN Thématique : FORET Nature : Article DOI : 10.1007/s13595-013-0295-7 Date de publication en ligne : 22/05/2013 En ligne : https://doi.org/10.1007/s13595-013-0295-7 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32957
in Annals of Forest Science > vol 71 n° 2 (March 2014) . - pp 255 - 265[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 016-2014021 SL Revue Centre de documentation Revues en salle Disponible Climate change impacts in European forests: the expert views of local observers / Peter Spathelf in Annals of Forest Science, vol 71 n° 2 (March 2014)
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Titre : Climate change impacts in European forests: the expert views of local observers Type de document : Article/Communication Auteurs : Peter Spathelf, Auteur ; Ernst van der Maaten, Auteur ; et al., Auteur Année de publication : 2014 Article en page(s) : pp 131 - 137 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Végétation
[Termes IGN] changement climatique
[Termes IGN] Europe (géographie politique)
[Termes IGN] forêt
[Termes IGN] impact sur l'environnement
[Termes IGN] régionRésumé : (Auteur) [Introduction] This study presents an analysis of the diverse aspects of climate change impacts on forests in Europe based on the expert views of local observers. Local expert knowledge provides additional (often overlooked) information on climate change impacts and fills knowledge gaps for less-described European regions. Furthermore, we used expert knowledge to highlight a set of priorities for pro- and reactive forest management, taking into account differences and similarities among regions. Finally, we wanted to define “hot spots” of climate change impacts, i.e., regions, or selected tree species/stands in these regions, which are highly vulnerable and considerably exposed to negative impacts of climate change. Numéro de notice : A2014-049 Affiliation des auteurs : non IGN Thématique : FORET Nature : Article DOI : 10.1007/s13595-013-0280-1 Date de publication en ligne : 05/04/2013 En ligne : https://doi.org/10.1007/s13595-013-0280-1 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32954
in Annals of Forest Science > vol 71 n° 2 (March 2014) . - pp 131 - 137[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 016-2014021 SL Revue Centre de documentation Revues en salle Disponible Effects of green space spatial pattern on land surface temperature: Implications for sustainable urban planning and climate change adaptation / Matthew Maimaitiyiming in ISPRS Journal of photogrammetry and remote sensing, vol 89 (March 2014)
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Titre : Effects of green space spatial pattern on land surface temperature: Implications for sustainable urban planning and climate change adaptation Type de document : Article/Communication Auteurs : Matthew Maimaitiyiming, Auteur ; Abduwasit Ghulam, Auteur ; Tashpolat Tiyip, Auteur ; Filiberto Pla, Auteur ; et al., Auteur Année de publication : 2014 Article en page(s) : pp 59 - 66 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] changement climatique
[Termes IGN] développement durable
[Termes IGN] espace vert
[Termes IGN] image Landsat-TM
[Termes IGN] image thermique
[Termes IGN] milieu urbain
[Termes IGN] température de surfaceRésumé : (Auteur) The urban heat island (UHI) refers to the phenomenon of higher atmospheric and surface temperatures occurring in urban areas than in the surrounding rural areas. Mitigation of the UHI effects via the configuration of green spaces and sustainable design of urban environments has become an issue of increasing concern under changing climate. In this paper, the effects of the composition and configuration of green space on land surface temperatures (LST) were explored using landscape metrics including percentage of landscape (PLAND), edge density (ED) and patch density (PD). An oasis city of Aksu in Northwestern China was used as a case study. The metrics were calculated by moving window method based on a green space map derived from Landsat Thematic Mapper (TM) imagery, and LST data were retrieved from Landsat TM thermal band. A normalized mutual information measure was employed to investigate the relationship between LST and the spatial pattern of green space. The results showed that while the PLAND is the most important variable that elicits LST dynamics, spatial configuration of green space also has significant effect on LST. Though, the highest normalized mutual information measure was with the PLAND (0.71), it was found that the ED and PD combination is the most deterministic factors of LST than the unique effects of a single variable or the joint effects of PLAND and PD or PLAND and ED. Normalized mutual information measure estimations between LST and PLAND and ED, PLAND and PD and ED and PD were 0.7679, 0.7650 and 0.7832, respectively. A combination of the three factors PLAND, PD and ED explained much of the variance of LST with a normalized mutual information measure of 0.8694. Results from this study can expand our understanding of the relationship between LST and street trees and vegetation, and provide insights for sustainable urban planning and management under changing climate. Numéro de notice : A2014-125 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.isprsjprs.2013.12.010 En ligne : https://doi.org/10.1016/j.isprsjprs.2013.12.010 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=33030
in ISPRS Journal of photogrammetry and remote sensing > vol 89 (March 2014) . - pp 59 - 66[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 081-2014031 RAB Revue Centre de documentation En réserve L003 Disponible Uneven-aged management options to promote forest resilience for climate change adaptation: effects of group selection and harvesting intensity / Valentine Lafond in Annals of Forest Science, vol 71 n° 2 (March 2014)
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Titre : Uneven-aged management options to promote forest resilience for climate change adaptation: effects of group selection and harvesting intensity Type de document : Article/Communication Auteurs : Valentine Lafond, Auteur ; Guillaume Lagarrigues, Auteur ; et al., Auteur Année de publication : 2014 Article en page(s) : pp 173 - 186 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Végétation
[Termes IGN] changement climatique
[Termes IGN] gestion durable
[Termes IGN] ressources naturelles
[Termes IGN] sylviculture
[Termes IGN] vulnérabilitéRésumé : (Auteur) Context: Climate change is expected to increase forest vulnerability through disturbances such as windstorms and droughts. Forest managers are therefore investigating strategies to increase forest resistance and resilience, especially by promoting uneven-aged and mixed forests through group selection, and by reducing stand stocking and large trees proportion. However, there is little information on the long-term impacts of these two practices. Aims: The objectives of this study were (1) to develop an original silviculture algorithm designed for uneven-aged management and (2) to use it to assess the effects of the above-mentioned management methods in long-term simulations. Methods: We simulated individual and group selection techniques in order to study the effects of group size, harvesting intensity and their interactions on wood production, stand heterogeneity, and regeneration in mountain spruce–fir forests. We used the spatially explicit individual-based forest model Samsara2 to simulate forest dynamics. Results: Our simulation results confirmed the positive effect of group selection practices on structure diversity and regeneration but not on spruce maintenance. Increasing harvesting intensity enabled forest destocking but decreased structure diversity and led to non-sustained yields for the most intensive scenarios. Conclusion: As adaptation measure, we thus recommend moderate group selection harvesting creating 500 m2 gaps. Numéro de notice : A2014-051 Affiliation des auteurs : non IGN Thématique : FORET Nature : Article DOI : 10.1007/s13595-013-0291-y Date de publication en ligne : 16/05/2013 En ligne : https://doi.org/10.1007/s13595-013-0291-y Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32956
in Annals of Forest Science > vol 71 n° 2 (March 2014) . - pp 173 - 186[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 016-2014021 SL Revue Centre de documentation Revues en salle Disponible US strategy for forest management adaptation to climate change: building a framework for decision making / V. Alaric Sample in Annals of Forest Science, vol 71 n° 2 (March 2014)
PermalinkFunctional relation of land surface albedo with climatological variables: a review on remote sensing techniques and recent research developments / S. A. Salleh in Geocarto international, vol 29 n° 1 - 2 (February - April 2014)
PermalinkMapping the human footprint from satellite measurements in Japan / Fan Yang in ISPRS Journal of photogrammetry and remote sensing, vol 88 (February 2014)
PermalinkSpatial patterns of historical growth changes in Norway spruce across western European mountains and the key effect of climate warming / Marie Charru in Trees, vol 28 n° 1 (February 2014)
PermalinkThe potential of the greenness and radiation (GR) model to interpret 8-day gross primary production of vegetation / Chaoyang Wu in ISPRS Journal of photogrammetry and remote sensing, vol 88 (February 2014)
PermalinkChiffres clés du climat France et Monde, édition 2015 / CGDD Commissariat Général au Développement Durable (2014)
PermalinkLes indicateurs de développement durable pour les territoires, édition 2014 / CGDD Commissariat Général au Développement Durable (2014)
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