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Book
Glacier Evolution in a Changing World
Authors: ---
ISBN: 9535135449 9535135430 9535146378 Year: 2017 Publisher: IntechOpen

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Abstract

Glaciers have always played an important role in human history, and currently, they are carefully observed as climate change sentinels. Glacier melt rate is increasing, and its mass balance is continuously negative. This issue deserves accurate and in-depth studies in order to, adequately, monitor its state. This circumstance in fact endangers the water supply, affecting human settlements but also creating new environments allowing the colonization by pioneer communities and the formation of new landscapes. This book is subdivided into two main sections in order to deal with the two topics of worldwide research on glaciers and ecology in glacial environments. In the first one ""Glaciers in the World,"" several reviews and studies are collected. It is an overview of glaciers, their state, and research carried out in different continents and contexts. The second section ""Glacial Ecosystems"" focuses, on the other hand, on glacier environments and ecological researches.

Karsts et évolutions climatiques : Hommage à Jean Nicod
Authors: --- --- --- --- --- et al.
ISBN: 9791030003864 2867811376 Year: 2018 Publisher: Pessac : Presses Universitaires de Bordeaux,

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Publié en hommage à Jean NICOD, karstologue français de réputation internationale, "Karst et Évolutions Climatiques" a aussi pour but de faire le point sur l'évolution d'une science neuve issue notamment de la géomorphologie, de la spéléologie et de l'hydrogéologie. Après un rappel de l'histoire de la Karstologie française de 1900 à 1992, plusieurs scientifiques s'interrogent sur la problématique et la limite de validité des concepts de la géomorphologie climatique. La variété des paysages calcaires et des systèmes karstiques est remarquable à l'échelle de la planète en raison du rôle combiné des paramètres litho-stratigraphiques, tectoniques, géomorphologiques et climatiques. On voyage ainsi de la naissance de la karstification sur les atolls coralliens jusqu'aux karsts subpolaires de Sibérie et du Spitzberg en passant par les karsts tropicaux, méditerranéens et alpins. Mais le karst a une dimension supplémentaire représentée par l'ensemble des réseaux souterrains, conduits et fissures. Cette interdépendance entre spéléologie et karstologie de surface est de plus en plus prise en compte par les chercheurs qui privilégient, à juste titre, l'étude des remplissages endokarstiques, véritables archives de l'Environnement, dont l'importance a été accrue ces dernières décennies par les possibilités de datations, notamment isotopiques. L'ouvrage se termine par une synthèse des karsts et paléokarsts du Périgord et du Quercy, car ils constituent un des exemples d'évolution karstique à long terme (depuis la fin de l'ère secondaire) les mieux connus. Au total, 35 articles de scientifiques étrangers et français qui permettent de juger de la richesse des terrains karstiques, des concepts renouvelés de la Karstologie et des perspectives de recherches. Essentiellement axé sur la recherche fondamentale, cet ouvrage comporte plusieurs articles de synthèse et ouvre grand la porte aux études appliquées ; en effet on ne peut parler d'Environnement avec compétence que si l'on connaît…


Book
Les glaciers à l'épreuve du climat
Authors: --- ---
ISBN: 2709922886 2709916045 2709916983 Year: 2017 Publisher: Marseille : IRD Éditions,

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Les glaciers de montagne ont connu ces dernières années un mouvement de repli marqué et rapide, qui fait craindre la disparition d'une partie d'entre eux d'ici quelques décennies. Cette évolution aura un impact sur la ressource en eau et sera à l'origine de risques naturels accrus. Ainsi, les glaciers font actuellement l'objet de nombreux travaux scientifiques, d'autant qu'ils sont parmi les meilleurs indicateurs pour évaluer les changements climatiques. Leur observation et la reconstitution de leurs fluctuations s'inscrivent au cœur des grands programmes de recherche sur le réchauffement de la planète. Offrir à un large public le bilan de ces recherches à travers un panorama complet de l'état des glaciers dans le monde, tel est l'objectif principal de cet ouvrage. La glace et les glaciers, mémoires des climats du passé, y sont resitués dans le temps long, depuis 10 000 ans, avec une attention particulière pour le Petit Âge Glaciaire (XIVe - XIXe siècle) et la période contemporaine, la mieux documentée. Les fluctuations glaciaires, liées aux variations climatiques, et qui sont peut-être aujourd'hui amplifiées par les activités humaines, sont passées au crible des connaissances actuelles. À tous ceux qui s'intéressent à l'avenir des glaciers et de l'environnement, ce livre apporte une expertise scientifique accessible et superbement illustrée.


Book
Dolgoročne spremembe okolja 1
Author:
Year: 2012 Publisher: Ljubljana ZRC SAZU, Založba ZRC

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Changes of past and present environment of Slovenia are discussed in nine papers, which were written by 21 authors, coming from 14 research organisations. Our aim is to increase multidisciplinary communication and cooperation between Slovenian researchers, working in the fields of palaeoecology and ecology. Research topics include: archaeozoology, biology, ecology, geoarchaeology, palynology, nature protection, dendrochronology, archaeobotany, geochemistry, Karst research and geography. V knjigi je predstavljenih devet prispevkov, ki obravnavajo spremembe nekdanjega in današnjega okolja v Sloveniji. Pri nastajanju knjige je sodelovalo 21 avtorjev, ki prihajajo iz 14 različnih raziskovalnih organizacij. Naš cilj je okrepiti komunikacijo in sodelovanje med slovenskimi raziskovalci, ki se ukvarjamo s paleoekološkimi in ekološkimi raziskavami, zato teme prispevkov prihajajo iz na videz zelo različnih, a med seboj povezanih raziskovalnih področij kot so: arheozoologija, biologija, ekologija, geoarheologija, palinologija, varstvo okolja, dendrokronologija, arheobotanika, geokemija, krasoslovje in geografija.


Book
Drobci ledenodobnega okolja : zbornik ob življenjskem jubileju Ivana Turka
Authors: ---
Year: 2011 Publisher: Ljubljana ZRC SAZU, Založba ZRC

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The monograph Drobci ledenodobnega okolja (“Fragments of Ice Age environments”) presents a compilation of seventeen chapters in which experts from different scientific fields discuss specific topics related to the Ice Age in Europe. Ten of them are devoted to the presentation, analysis and interpretation of palaeontological data concerning various large mammal species ranging from mastodon and mammoth to the cave hyena, ibex, cave lion and bears, with the emphasis being placed on the cave bear. Several chapters address the topic of Last Glacial climatic conditions in the Southeastern Alps by studying fossil micromammal and palaeobotanical remains as well as geoarchaeologiocal data. A special article is devoted to a comprehensive review of previous analysis of the bone flute from Divje babe I, but includes also new musicological research findings on the extraordinary technical capabilities of this oldest musical instrument. The concluding chapter presents a study of old manuscripts and printed sources, providing some interesting insights into the discovery of one of the most significant palaeontological sites in Slovenia - the cave of Mokriška jama.The monograph is dedicated to the anniversary of the prominent researcher of the Slovenian Palaeolithic - Ivan Turk. His work, main achievements and selected bibliography are briefly presented in the introductory chapter. V monografiji je zbranih 17 samostojnih člankov, ki jih je prispevalo 23 domačih in tujih avtorjev, v počastitev jubileja eminentnega raziskovalca slovenskega paleolitika – Ivana Turka. Podani, analizirani in interpretirani so podatki s področja paleonotologije, geoarheologije in arheologije, njihovo skupno težišče pa so nova spoznanja o ledeni dobi na evropskih tleh.


Book
Condensed Matter Researches in Cryospheric Science
Authors: --- ---
ISBN: 3039213245 3039213237 Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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The cryosphere is very sensitive to climate change, and glaciers represent one of the most important archives of atmospheric composition and its variability. From the Himalaya to the European Alps, the longest mid-latitude mountain chain in the world, lie thousands of glaciers that have collected atmospheric compounds over the last millennia. China and Italy are located at the opposite terminals of this long mountain chain, comprising strategic positions for understanding climate evolution and providing important information for the modeling of future climates. The results presented are highlights of some of the most recent advances in cryospheric studies, especially on the topic of mineral dust and aerosols in the atmosphere. They evidence the complexity of the chemical–physical processes involving solid compounds occurring in glacier, snow, and permafrost environments, covering different aspects such as spatial and temporal trends, as well as the impact of mineral and nonmineral particles. Results also show that recent advances in measurement techniques and source apportionment may be powerful and sophisticated tools to provide novel, high-quality scientific information.


Book
Stable isotopes in tree rings : inferring physiological, climatic and environmental responses
Authors: --- --- ---
ISBN: 3030926982 3030926974 Year: 2022 Publisher: Cham Springer Nature

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This Open Access volume highlights how tree ring stable isotopes have been used to address a range of environmental issues from paleoclimatology to forest management, and anthropogenic impacts on forest growth. It will further evaluate weaknesses and strengths of isotope applications in tree rings. In contrast to older tree ring studies, which predominantly applied a pure statistical approach this book will focus on physiological mechanisms that influence isotopic signals and reflect environmental impacts. Focusing on connections between physiological responses and drivers of isotope variation will also clarify why environmental impacts are not linearly reflected in isotope ratios and tree ring widths. This volume will be of interest to any researcher and educator who uses tree rings (and other organic matter proxies) to reconstruct paleoclimate as well as to understand contemporary functional processes and anthropogenic influences on native ecosystems. The use of stable isotopes in biogeochemical studies has expanded greatly in recent years, making this volume a valuable resource to a growing and vibrant community of researchers.

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