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After decades of being largely the preserve of countries in volcanic regions, the use of geothermal energy—for both heat and power applications—is now expanding worldwide. This reflects its excellent low-carbon credentials and its ability to offer baseload and dispatchable output - rare amongst the mainstream renewables. Yet uptake of geothermal still lags behind that of solar and wind, principally because of (i) uncertainties over resource availability in poorly-explored reservoirs and (ii) the concentration of full-lifetime costs into early-stage capital expenditure (capex). Recent advances in reservoir characterization techniques are beginning to narrow the bounds of exploration uncertainty, both by improving estimates of reservoir geometry and properties, and by providing pre-drilling estimates of temperature at depth. Advances in drilling technologies and management have potential to significantly lower initial capex, while operating expenditure is being further reduced by more effective reservoir management — supported by robust mathematical models — and increasingly efficient energy conversion systems (flash, binary and combined-heat-and-power). Advances in characterization and modelling are also improving management of shallow low-enthalpy resources that can only be exploited using heat-pump technology. Taken together with increased public appreciation of the benefits of geothermal, the technology is finally ready to take its place as a mainstream renewable technology, This book draws together some of the latest developments in concepts and technology that are enabling the growing realisation of the global potential of geothermal energy in all its manifestations.After decades of being largely the preserve of countries in volcanic regions, the use of geothermal energy—for both heat and power applications—is now expanding worldwide. This reflects its excellent low-carbon credentials and its ability to offer baseload and dispatchable output - rare amongst the mainstream renewables. Yet uptake of geothermal still lags behind that of solar and wind, principally because of (i) uncertainties over resource availability in poorly-explored reservoirs and (ii) the concentration of full-lifetime costs into early-stage capital expenditure (capex). Recent advances in reservoir characterization techniques are beginning to narrow the bounds of exploration uncertainty, both by improving estimates of reservoir geometry and properties, and by providing pre-drilling estimates of temperature at depth. Advances in drilling technologies and management have potential to significantly lower initial capex, while operating expenditure is being further reduced by more effective reservoir management — supported by robust mathematical models — and increasingly efficient energy conversion systems (flash, binary and combined-heat-and-power). Advances in characterization and modelling are also improving management of shallow low-enthalpy resources that can only be exploited using heat-pump technology. Taken together with increased public appreciation of the benefits of geothermal, the technology is finally ready to take its place as a mainstream renewable technology.

development, EGS, energy, exploration, geothermal, heat, monitoring, modeling, power, renewable, resource, supercritical

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This open access book examines the educational conditions that support cultures of exploration in kindergartens. It conceptualises cultures of exploration, whether those cultures are created through children’s own engagement or are demanded of them through undertaking specific tasks within different institutional settings. It shows how the conditions for children’s exploration form a web of activities in different settings with social relationships, local landscapes and artefacts. The book builds on the understanding of cultural traditions as deeply implicated in the developmental processes, meaning that local considerations must be reflected in education for sustainable futures. Therefore the book examines and conceptualises exploration and cultural formation through locally situated cases and navigates toward global educational concepts. The book provides different windows into how children may explore in everyday practice settings in kindergarten, and contributes to a loci-based, ecological, integral knowledge relevant for early childhood education.

Early Childhood Education --- Infancy and Early Childhood Development --- International and Comparative Education --- Child and School Psychology --- Clinical Psychology --- School Psychology --- children's learning and development through exploration --- exploration in kindergarten --- children's transcendence to school learning --- "glocal" pedagogy --- froebel and explorative education --- cultural-historical concept of playground activities --- children and teachers as musical explorers --- cultural formation --- dialogical engagement --- children's play and learning activity --- inclusion and exclusion --- pedagogical hybridity through Froebel --- Open Access --- Early childhood care & education --- Child, developmental & lifespan psychology --- Education

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This open access book summarizes the research done and results obtained in the second funding phase of the Priority Program 1648 "Software for Exascale Computing" (SPPEXA) of the German Research Foundation (DFG) presented at the SPPEXA Symposium in Dresden during October 21-23, 2019. In that respect, it both represents a continuation of Vol. 113 in Springer’s series Lecture Notes in Computational Science and Engineering, the corresponding report of SPPEXA’s first funding phase, and provides an overview of SPPEXA’s contributions towards exascale computing in today's sumpercomputer technology. The individual chapters address one or more of the research directions (1) computational algorithms, (2) system software, (3) application software, (4) data management and exploration, (5) programming, and (6) software tools. The book has an interdisciplinary appeal: scholars from computational sub-fields in computer science, mathematics, physics, or engineering will find it of particular interest.

Simulation and Modeling --- Performance and Reliability --- Computational Science and Engineering --- Input/Output and Data Communications --- Mathematical and Computational Engineering --- Numerical and Computational Physics, Simulation --- Computer Science --- Computer Hardware --- Mathematical and Computational Engineering Applications --- Theoretical, Mathematical and Computational Physics --- open access --- computational algorithms and numerical methods --- data management and exploration --- high-performance computing --- simulation software and applications --- system software and software tools --- Computer modelling & simulation --- Systems analysis & design --- Maintenance & repairs --- Maths for scientists --- Computer networking & communications --- Distributed databases --- Maths for engineers --- Mathematical physics