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The book collects seven original contributions in the field of climate and underlying human influences on renewable groundwater resources and/or stream–aquifer interactions. The first contribution introduces the following six ones into the overall framework of the topic. The second contribution assesses the impact of climate change scenarios on land subsidence related to groundwater level depletion in detrital aquifers. The third contribution studies the patterns of river infiltration and the associated controlling factors by using a combination of field investigations and modeling techniques. The fourth contribution introduces a method to improve the modeling of streamflow in high-permeability bedrock basins receiving interbasin groundwater flow. The fifth contribution discusses the role of resilience of hydrogeological systems affected by either climate and/or anthropic actions in order to understand how anticipating negative changes and preserving its services. The sixth contribution analyzes the water balance of wetlands, which are systems highly sensitive to climate change and human action. The seventh contribution identifies groundwater bodies with low vulnerability to pumping to be used as potential buffer values for sustainable conjunctive use management during droughts.

Research & information: general --- ground subsidence --- climate change --- Vega de Granada aquifer --- river-aquifer interaction --- numerical simulation --- sensitivity analysis --- MODFLOW --- Heihe River --- SWAT model --- CMB method --- interbasin groundwater flow --- Castril River --- baseflow filter --- ecosystems --- hydrogeological system --- sustainability --- significant damage --- resilience --- wetlands --- paleo-groundwater --- climate --- sedimentary facies --- geochemistry --- Holocene --- Spain --- drought --- vulnerability to pumping --- residence time --- conjunctive use --- sustainable management --- adaptation strategies --- Spanish GW bodies in quantitative risk --- n/a

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The rapid increasing of concentrations of anthropologically generated greenhouse gases (primarily CO2) in the atmosphere is responsible for global warming and ocean acidification. The International Panel on Climate Change (IPCC) indicates that carbon capture and storage (CCS) techniques are a necessary measure to reduce greenhouse gas emissions in the short-to-medium term. One of the technological solutions is the long-term storage of CO2 in appropriate geological formations, such as deep saline formations and depleted oil and gas reservoirs. Promising alternative options that guarantee the permanent capture of CO2, although on a smaller scale, are the in-situ and ex-situ fixation of CO2 in the form of inorganic carbonates via the carbonation of mafic and ultramafic rocks and of Mg/Ca-rich fly ash, iron and steel slags, cement waste, and mine tailings. According to this general framework, this Special Issue collects articles covering various aspects of recent scientific advances in the geological and mineralogical sequestration of CO2. In particular, it includes the assessment of the storage potential of candidate injection sites in Croatia, Greece, and Norway; numerical modelling of geochemical–mineralogical reactions and CO2 flow; studies of natural analogues providing information on the processes and the physical–chemical conditions characterizing serpentinite carbonation; and experimental investigations to better understand the effectiveness and mechanisms of geological and mineralogical CO2 sequestration.

Research & information: general --- Earth sciences, geography, environment, planning --- CO2 reservoir rock --- CO2 sealing capacity --- CO2 sequestration --- CO2 storage capacity --- CO2 storage ratio --- supercritical CO2 --- CO2 geological storage --- depleted gas fields --- deep saline aquifers --- Adriatic offshore --- Croatia --- CO2 geological sequestration --- unconsolidated sediments --- gas hydrates --- suitable methodology for mineral carbonation --- construction and demolition waste --- basalts --- carbonation --- CO2 storage --- hydrochemistry --- regional heat flow --- CO2 leakage --- cement --- well integrity --- leakage remediation --- TOUGHREACT --- reactive transport modelling --- CCS --- mineralization --- carbonatization --- mineral trapping --- mineral sequestration --- Johansen Formation --- North Sea --- sedimentary facies --- serpentinite --- X-ray diffraction --- rietveld refinement --- magnesium leaching --- thermal activation --- meta-serpentine --- heat activation optimization --- CO2 mineral sequestration --- hydromagnesite --- kerolite --- Cu mine --- Montecastelli --- underground microclimate --- replacement process --- low temperature carbonate precipitation --- Secondary Ion Mass Spectrometer --- seawater influx --- hydrothermal circulation --- ophicalcite --- CO2 reservoir rock --- CO2 sealing capacity --- CO2 sequestration --- CO2 storage capacity --- CO2 storage ratio --- supercritical CO2 --- CO2 geological storage --- depleted gas fields --- deep saline aquifers --- Adriatic offshore --- Croatia --- CO2 geological sequestration --- unconsolidated sediments --- gas hydrates --- suitable methodology for mineral carbonation --- construction and demolition waste --- basalts --- carbonation --- CO2 storage --- hydrochemistry --- regional heat flow --- CO2 leakage --- cement --- well integrity --- leakage remediation --- TOUGHREACT --- reactive transport modelling --- CCS --- mineralization --- carbonatization --- mineral trapping --- mineral sequestration --- Johansen Formation --- North Sea --- sedimentary facies --- serpentinite --- X-ray diffraction --- rietveld refinement --- magnesium leaching --- thermal activation --- meta-serpentine --- heat activation optimization --- CO2 mineral sequestration --- hydromagnesite --- kerolite --- Cu mine --- Montecastelli --- underground microclimate --- replacement process --- low temperature carbonate precipitation --- Secondary Ion Mass Spectrometer --- seawater influx --- hydrothermal circulation --- ophicalcite

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The rapid increasing of concentrations of anthropologically generated greenhouse gases (primarily CO2) in the atmosphere is responsible for global warming and ocean acidification. The International Panel on Climate Change (IPCC) indicates that carbon capture and storage (CCS) techniques are a necessary measure to reduce greenhouse gas emissions in the short-to-medium term. One of the technological solutions is the long-term storage of CO2 in appropriate geological formations, such as deep saline formations and depleted oil and gas reservoirs. Promising alternative options that guarantee the permanent capture of CO2, although on a smaller scale, are the in-situ and ex-situ fixation of CO2 in the form of inorganic carbonates via the carbonation of mafic and ultramafic rocks and of Mg/Ca-rich fly ash, iron and steel slags, cement waste, and mine tailings. According to this general framework, this Special Issue collects articles covering various aspects of recent scientific advances in the geological and mineralogical sequestration of CO2. In particular, it includes the assessment of the storage potential of candidate injection sites in Croatia, Greece, and Norway; numerical modelling of geochemical–mineralogical reactions and CO2 flow; studies of natural analogues providing information on the processes and the physical–chemical conditions characterizing serpentinite carbonation; and experimental investigations to better understand the effectiveness and mechanisms of geological and mineralogical CO2 sequestration.

CO2 reservoir rock --- CO2 sealing capacity --- CO2 sequestration --- CO2 storage capacity --- CO2 storage ratio --- supercritical CO2 --- CO2 geological storage --- depleted gas fields --- deep saline aquifers --- Adriatic offshore --- Croatia --- CO2 geological sequestration --- unconsolidated sediments --- gas hydrates --- suitable methodology for mineral carbonation --- construction and demolition waste --- basalts --- carbonation --- CO2 storage --- hydrochemistry --- regional heat flow --- CO2 leakage --- cement --- well integrity --- leakage remediation --- TOUGHREACT --- reactive transport modelling --- CCS --- mineralization --- carbonatization --- mineral trapping --- mineral sequestration --- Johansen Formation --- North Sea --- sedimentary facies --- serpentinite --- X-ray diffraction --- rietveld refinement --- magnesium leaching --- thermal activation --- meta-serpentine --- heat activation optimization --- CO2 mineral sequestration --- hydromagnesite --- kerolite --- Cu mine --- Montecastelli --- underground microclimate --- replacement process --- low temperature carbonate precipitation --- Secondary Ion Mass Spectrometer --- seawater influx --- hydrothermal circulation --- ophicalcite --- n/a

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Dear colleagues, Geological energy has a long history in China. As early as 500 BC, China began to use coal as fuel. In the middle of the 19th century, China began to develop oil resources. After the foundation of new China, with the discovery of the Daqing oilfield, China's oil industry entered an era of great development. During the 21st century, with the development of drilling technology, the development of unconventional energy such as shale gas and shale oil has entered a new era. In recent years, the development of flammable ice has set off a wave of clean energy. With the carbon reduction plan proposed by the Chinese government, clean geo-energy has been granted unparalleled development space in the future. China's geo-energy development technology used to lag behind that of major developed countries for a long time, but after years of development, it has become the world's leading edge in some fields. Therefore, we specially set up this collection to collect China's advanced geo-energy exploitation technology and development trends, whilst providing some new directions for thinking about geo-energy development in China and even the world. This collection seeks to contribute to such topics through enhanced scientific and multidisciplinary knowledge.

Research & information: general --- airflow reversal --- gas outburst --- mine ventilation system --- orthogonal experiment --- numerical simulation --- deep chamber --- asymmetric failure --- mechanical analysis --- control measures --- Yinggehai --- overpressure --- hydraulic fracture --- mudstone --- fluid pressure --- red sandstone --- pre-existing cracks --- creep behavior --- temperature --- long-term permeability --- partial saturation --- patchy saturation --- squirt flow --- P-wave velocity dispersion and attenuation --- anelasticity --- ultrasonic measurements --- heavy oil reservoirs --- cyclic steam stimulation --- conformance control --- extreme gradient boost (XGBoost) trees --- prediction model --- Dongsha Waters in the northern South China Sea margin --- velocity inversion --- mud volcano --- magma intrusion --- Mesozoic hydrocarbon --- tubing --- modal analysis --- fluid-structure interaction --- inlet pressure --- pipeline --- water hammer --- gas-liquid two-phase flow --- pressure --- velocity --- lattice Boltzmann method --- discrete element method --- sand production --- force chain network analysis --- seismic sedimentology --- sedimentary facies evolution --- peat accumulation regularity --- frequency–division amplitude fusion --- thin sand bodies --- stable crack propagation --- crack strain --- stress–strain curve --- model --- wing crack --- outburst coal --- primary coal --- structural parameters --- infrared spectrum --- XRD --- oil shale --- in situ conversion project --- biomarker --- pyrolysis process --- organic geochemistry --- airflow reversal --- gas outburst --- mine ventilation system --- orthogonal experiment --- numerical simulation --- deep chamber --- asymmetric failure --- mechanical analysis --- control measures --- Yinggehai --- overpressure --- hydraulic fracture --- mudstone --- fluid pressure --- red sandstone --- pre-existing cracks --- creep behavior --- temperature --- long-term permeability --- partial saturation --- patchy saturation --- squirt flow --- P-wave velocity dispersion and attenuation --- anelasticity --- ultrasonic measurements --- heavy oil reservoirs --- cyclic steam stimulation --- conformance control --- extreme gradient boost (XGBoost) trees --- prediction model --- Dongsha Waters in the northern South China Sea margin --- velocity inversion --- mud volcano --- magma intrusion --- Mesozoic hydrocarbon --- tubing --- modal analysis --- fluid-structure interaction --- inlet pressure --- pipeline --- water hammer --- gas-liquid two-phase flow --- pressure --- velocity --- lattice Boltzmann method --- discrete element method --- sand production --- force chain network analysis --- seismic sedimentology --- sedimentary facies evolution --- peat accumulation regularity --- frequency–division amplitude fusion --- thin sand bodies --- stable crack propagation --- crack strain --- stress–strain curve --- model --- wing crack --- outburst coal --- primary coal --- structural parameters --- infrared spectrum --- XRD --- oil shale --- in situ conversion project --- biomarker --- pyrolysis process --- organic geochemistry