Journal of Geophysical Research: Planets最新文献

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A Non-Magnetized Chondrite Parent Body Revealed by Paleomagnetic Investigation of LL6 Chondrite NWA 14180 通过对LL6软玉NWA 14180的古地磁调查发现的非磁化软玉母体
IF 4.8 1区 地球科学
Journal of Geophysical Research: Planets Pub Date : 2024-05-17 DOI: 10.1029/2023JE008112
Haijun Li, Huapei Wang, Chen Wen, Ting Cao, Jiabo Liu
{"title":"A Non-Magnetized Chondrite Parent Body Revealed by Paleomagnetic Investigation of LL6 Chondrite NWA 14180","authors":"Haijun Li,&nbsp;Huapei Wang,&nbsp;Chen Wen,&nbsp;Ting Cao,&nbsp;Jiabo Liu","doi":"10.1029/2023JE008112","DOIUrl":"https://doi.org/10.1029/2023JE008112","url":null,"abstract":"<p>Magnetic records from meteorites provide valuable information about the formation and evolution of the solar system and planets. The parent planetesimals of chondrites are typically considered to be undifferentiated based on their primary chemical composition and texture. However, recent paleomagnetic investigations of various chondrites indicate that they carry a primary remanence generated by a dynamo, suggesting partial differentiation of their parent planetesimals. The presence of a dynamo within the parent planetesimal of LL chondrites remains uncertain due to the ambiguous origin of the remanent magnetism. Here, we report petrographic, paleomagnetic, and rock magnetic properties for the novel LL6 chondrite NWA 14180. The high metamorphic temperature experienced by NWA 14180 could have removed the pre-accretionary remanence. The fusion crust baked-contact test suggests that NWA 14180 preserves primary magnetic information about its parent body. Alternating field demagnetization results from interior subsamples reveal distinct low- and medium-coercivity components that may represent a viscous remanent magnetization acquired in the geomagnetic field. No natural remanent magnetization was unblocked in the high coercivity range, implying that NWA 14180 cooled in zero-field conditions. Therefore, we suggest that the parent body of NWA 14180 did not have a dynamo. Furthermore, this result suggests that the LL chondrite parent planetesimal accreted later and was smaller in size than other chondrite classes.</p>","PeriodicalId":16101,"journal":{"name":"Journal of Geophysical Research: Planets","volume":null,"pages":null},"PeriodicalIF":4.8,"publicationDate":"2024-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140952713","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Water Transport in the Mars Northern Winter Polar Atmosphere: Observations and Simulations 火星北部冬季极地大气中的水输送:观测与模拟
IF 4.8 1区 地球科学
Journal of Geophysical Research: Planets Pub Date : 2024-05-15 DOI: 10.1029/2023JE008273
H. E. Gillespie, D. J. McCleese, A. Kleinböhl, D. M. Kass, S. J. Greybush, R. J. Wilson
{"title":"Water Transport in the Mars Northern Winter Polar Atmosphere: Observations and Simulations","authors":"H. E. Gillespie,&nbsp;D. J. McCleese,&nbsp;A. Kleinböhl,&nbsp;D. M. Kass,&nbsp;S. J. Greybush,&nbsp;R. J. Wilson","doi":"10.1029/2023JE008273","DOIUrl":"https://doi.org/10.1029/2023JE008273","url":null,"abstract":"<p>This study involving both observations and simulations furthers our understanding of water transport in the Martian northern polar region, a critical component of the global water cycle, and explores strengths and weaknesses in simulations of the polar atmosphere. Observations of the northern polar winter by the Mars Climate Sounder (MCS) onboard the Mars Reconnaissance Orbiter show extensive water ice clouds over the polar ice cap throughout the 300–3 Pa (∼10–50 km) vertical column within the vortex during the entire winter season. The observations also indicate that the vortex evolves throughout its depth on a broad range of timescales, from sub-diurnal to seasonal. Time sequences of these data together with results from a Mars global circulation model and Ensemble Mars Atmosphere Reanalysis System reanalysis (EMARS) are used to study the evolution of the winter polar atmosphere and to examine dynamic mechanisms for transporting water across the vortex boundary. Model simulations and reanalysis show a similar temperature structure to observations, although they struggle to reproduce some of the detailed features such as the extent of polar warming above the vortex and the magnitude of the temperature minima inside the vortex. The free run simulation also fails to capture the vertically distributed water ice cloud due to a general absence of transport across the vortex boundary. EMARS results, with assimilated MCS temperatures, show a greater amount of water entering the vortex at pressures below 200 Pa, leading to a more vertically extended cloud within the vortex and improving agreement with observations.</p>","PeriodicalId":16101,"journal":{"name":"Journal of Geophysical Research: Planets","volume":null,"pages":null},"PeriodicalIF":4.8,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140949115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Morphology of Martian Pyroclastic Ramparts and Their Use in Determining Vent-Proximal Eruption Dynamics 火星火成碎屑斜坡的形态及其在确定喷口-近端喷发动力学中的应用
IF 4.8 1区 地球科学
Journal of Geophysical Research: Planets Pub Date : 2024-05-15 DOI: 10.1029/2023JE008233
B. Pieterek, T. J. Jones, L. Wilson
{"title":"The Morphology of Martian Pyroclastic Ramparts and Their Use in Determining Vent-Proximal Eruption Dynamics","authors":"B. Pieterek,&nbsp;T. J. Jones,&nbsp;L. Wilson","doi":"10.1029/2023JE008233","DOIUrl":"https://doi.org/10.1029/2023JE008233","url":null,"abstract":"<p>High-resolution investigations of Late Amazonian volcanic landforms provide previously unrevealed insights into the dynamics of Martian volcanic eruptions. On Earth, the formation of vent-proximal accumulations of spatter deposits is attributed to low-intensity lava fountaining episodes representing eruptions on the very edge of explosive activity. Martian spatter deposits form small-scale volcanic landforms that are rarely reported, and thus the dynamics of Martian mafic explosive eruptions are still not fully constrained. We conducted high-resolution Context Camera-based mapping coupled with a stereo-pair-generated digital elevation model to reconstruct the eruptive history of a fissure system and its associated products south of Ascraeus Mons, Mars. The studied volcanic fissure clearly demonstrates both explosive and effusive deposits and, in addition, is spatially associated with a lava channel. For the first time, these observations allowed us to conduct a comparative analysis of vent-proximal volcanic products and reconstruct the late-stage eruption dynamics of a fissure system. We found that the spatial distribution of the pyroclastic (spatter) rampart along the fissure vent is heterogeneous and generated using dynamic eruption processes. Moreover, the lava channel fed from the fissure vent shows evidence of successive lava overspills whose emplacement was topographically controlled. These observations suggest that, in contrast to the general inference that Amazonian-age volcanism mainly involves effusive eruptions, explosive-origin landforms might have been overlooked. Therefore, we argue that high-resolution mapping of pyroclastic deposits may provide critical insights into understanding the dynamic nature of Martian fissure eruptions and explosive-associated volatile release during the last stages of eruptions.</p>","PeriodicalId":16101,"journal":{"name":"Journal of Geophysical Research: Planets","volume":null,"pages":null},"PeriodicalIF":4.8,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140924845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Day/Night Differences in Molecular Oxygen in the Martian Upper Atmosphere 火星高层大气分子氧的昼夜差异
IF 4.8 1区 地球科学
Journal of Geophysical Research: Planets Pub Date : 2024-05-15 DOI: 10.1029/2024JE008322
S. Gupta, R. V. Yelle, N. M. Schneider, S. K. Jain, A. S. Braude, L. Verdier, F. Montmessin, H. Nakagawa, M. Mayyasi, J. Deighan, S. M. Curry
{"title":"Day/Night Differences in Molecular Oxygen in the Martian Upper Atmosphere","authors":"S. Gupta,&nbsp;R. V. Yelle,&nbsp;N. M. Schneider,&nbsp;S. K. Jain,&nbsp;A. S. Braude,&nbsp;L. Verdier,&nbsp;F. Montmessin,&nbsp;H. Nakagawa,&nbsp;M. Mayyasi,&nbsp;J. Deighan,&nbsp;S. M. Curry","doi":"10.1029/2024JE008322","DOIUrl":"https://doi.org/10.1029/2024JE008322","url":null,"abstract":"<p>We use the extensive stellar occultation data set of the Imaging Ultraviolet Spectrograph aboard the Mars Atmosphere and Volatile EvolutioN spacecraft to determine the first quantification of vertical variation in O<sub>2</sub> mole fraction separately for day and night in the ∼90–130 km altitude range. The upper atmospheric O<sub>2</sub> variation is expected to be due to the interplay between diffusion and advection because of its long photochemical lifetime. It is therefore a useful tracer of the state of atmospheric mixing and circulation. The altitude-averaged mixing ratio is measured to be 2.69(±0.03) × 10<sup>−3</sup> for the nightside and 2.05(±0.03) × 10<sup>−3</sup> for the dayside. The average O<sub>2</sub> mole fraction for day and night are nearly identical below 105 km, consistent with the value of 1.61 × 10<sup>−3</sup> derived from the Mars Curiosity Rover/Sample Analysis at Mars near-surface measurements. At higher altitudes, dominated by molecular diffusive separation, the measured O<sub>2</sub> mole fraction demonstrates a vertical gradient with a local time dependence. The nightside mole fraction is a factor of 1.37 ± 0.04 larger than the dayside value at ∼125 km. This nightside enhancement is explained in terms of the relative role of solar-driven rapid horizontal winds at high altitudes and slower vertical diffusion, resulting in a nightside (dayside) downward (upward) diffusive flux. Using the 1-D diffusion model, the measured profiles correspond to a vertical eddy diffusion coefficient <i>K</i> = 3.5(±1.5) × 10<sup>6</sup> <i>cm</i><sup>2</sup>/<i>s</i>. The Mars Climate Database predicts comparable but lower day-night differences in oxygen mole fraction due to an overestimated <i>K</i> = 7.0(±1.0) × 10<sup>6</sup> <i>cm</i><sup>2</sup>/<i>s</i>, which affects atmospheric mixing as well as the rate of atmospheric escape to space.</p>","PeriodicalId":16101,"journal":{"name":"Journal of Geophysical Research: Planets","volume":null,"pages":null},"PeriodicalIF":4.8,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140924846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A One-Dimensional Model of Atmospheric Sputtering at Io Driven by S++ and O+ 由 S++ 和 O+ 驱动的木卫二大气溅射一维模型
IF 4.8 1区 地球科学
Journal of Geophysical Research: Planets Pub Date : 2024-05-13 DOI: 10.1029/2023JE008129
Xu Huang, Hao Gu, Yangxin Ni, JinJin Zhao, Jun Cui
{"title":"A One-Dimensional Model of Atmospheric Sputtering at Io Driven by S++ and O+","authors":"Xu Huang,&nbsp;Hao Gu,&nbsp;Yangxin Ni,&nbsp;JinJin Zhao,&nbsp;Jun Cui","doi":"10.1029/2023JE008129","DOIUrl":"https://doi.org/10.1029/2023JE008129","url":null,"abstract":"<p>Io, the closest of Jupiter's four Galilean moons, suffers from intense ion bombardment from Jupiter's magnetosphere. The constant atmospheric erosion by energetic ion precipitation, referred to atmospheric sputtering, serves as an important mechanism of Io's atmospheric escape. This study is devoted to a state-of-the-art study of atmospheric sputtering at Io, with the aid of constantly accumulated understandings of Io's space environment and atmospheric photochemistry, as well as the updated laboratory measurements. A Monte Carlo model is constructed to track the energy degradation of incident S<sup>++</sup> and O<sup>+</sup> and atmospheric recoils from which the sputtering yields of different atmospheric species are determined. Our calculations suggest a total escape rate of 3 × 10<sup>29</sup> atom s<sup>−1</sup> on Io, and SO<sub>2</sub> is the dominant sputtered species. Further investigations reveal that S<sup>++</sup> is the most efficient species for atmospheric sputtering on Io, and sputtering yields increase substantially with increasing incident ion mass, energy, and incidence angle. The model sensitivity to different influence factors is also discussed, including scattering angle distribution, atmospheric column density, proton precipitation, inelastic process, and surface sputtering, of which the former two dominate.</p>","PeriodicalId":16101,"journal":{"name":"Journal of Geophysical Research: Planets","volume":null,"pages":null},"PeriodicalIF":4.8,"publicationDate":"2024-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140914814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Examination of Vorticity and Divergence on a Rotating Turbulent Convection Model of Jupiter's Polar Vortices 木星极地涡旋旋转湍流对流模型的涡度和发散性研究
IF 4.8 1区 地球科学
Journal of Geophysical Research: Planets Pub Date : 2024-05-11 DOI: 10.1029/2023JE008281
Tao Cai
{"title":"Examination of Vorticity and Divergence on a Rotating Turbulent Convection Model of Jupiter's Polar Vortices","authors":"Tao Cai","doi":"10.1029/2023JE008281","DOIUrl":"https://doi.org/10.1029/2023JE008281","url":null,"abstract":"<p>The correlation between divergence and vorticity has traditionally served as a signature of convection in rotating fluids. While this correlation has been observed in the JIRAM brightness temperature data for Jupiter's polar vortices, it is notably absent in the JIRAM images. This discrepancy presents a new challenge in determining whether this correlation can serve as a reliable signature of convection in rapidly rotating atmospheres. In this study, we analyzed data from a three-dimensional simulation of Jupiter's polar vortices using a deep convection model. Our findings confirm the theoretical prediction of a negative correlation between divergence and vorticity in the northern hemisphere. Interestingly, this correlation is weaker within the cyclones compared to outside them. The skewness of upflows and downflows plays an important role in this negative correlation. We also observed that the correlation varies with height, being strongest near the interface and decaying away from it. The correlation diminishes when the resolution is reduced. Furthermore, our findings suggest that the geostrophic approximation may not be suitable for the Jovian atmosphere, particularly in the stable layer. Both tilting and stretching effects contribute to the material derivative of vorticity, with the tilting effect dominating in the unstable layer and the stretching effect prevailing in the stable layer. This suggests a transfer of vorticity from the convectively unstable layer to the stable layer. Consistent with observations, we also noted an upscale energy transfer from smaller to larger scales.</p>","PeriodicalId":16101,"journal":{"name":"Journal of Geophysical Research: Planets","volume":null,"pages":null},"PeriodicalIF":4.8,"publicationDate":"2024-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140907023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Geographical, Seasonal and Diurnal Variations of Acoustic Attenuation, and Sound Speed in the Near-Surface Martian Atmosphere 近地表火星大气中声衰减和声速的地理、季节和昼夜变化
IF 4.8 1区 地球科学
Journal of Geophysical Research: Planets Pub Date : 2024-05-07 DOI: 10.1029/2023JE008257
Martin Gillier, Andi Petculescu, Naomi Murdoch, Alexander E. Stott, Solène Gerier, Sylvestre Maurice, David Mimoun
{"title":"Geographical, Seasonal and Diurnal Variations of Acoustic Attenuation, and Sound Speed in the Near-Surface Martian Atmosphere","authors":"Martin Gillier,&nbsp;Andi Petculescu,&nbsp;Naomi Murdoch,&nbsp;Alexander E. Stott,&nbsp;Solène Gerier,&nbsp;Sylvestre Maurice,&nbsp;David Mimoun","doi":"10.1029/2023JE008257","DOIUrl":"https://doi.org/10.1029/2023JE008257","url":null,"abstract":"<p>This work introduces a comprehensive model of sound attenuation and speed on Mars, in light of the recent operation of several microphones on the surface of Mars. The proposed acoustic model calculates the sound speed and attenuation throughout the near-surface Martian atmosphere based on first-principles. We evaluate the effects of the seasonal and diurnal cycle of air temperature, pressure and CO<sub>2</sub>, as well as the concentration of airborne dust on the sound attenuation. The attenuation and speed of sound are most sensitive to the air temperature and, therefore, they vary with the diurnal temperature cycle and to a lesser degree with the seasonal changes in temperature. The speed of sound also varies with the seasonal variations of the concentration of CO<sub>2</sub>. The main outcome of this work is an acoustic model capable of computing the sound speed and attenuation for any location at the Martian surface at any time of year and any time of day.</p>","PeriodicalId":16101,"journal":{"name":"Journal of Geophysical Research: Planets","volume":null,"pages":null},"PeriodicalIF":4.8,"publicationDate":"2024-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1029/2023JE008257","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140881010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Surface Geological Evolution in the Chang'e 5 Landing Area (Em4 Unit) Revealed by a New Age-Retrieving Method From Regression Learning 回归学习的新时代检索方法揭示的嫦娥五号着陆区(Em4单元)地表地质演变过程
IF 4.8 1区 地球科学
Journal of Geophysical Research: Planets Pub Date : 2024-05-06 DOI: 10.1029/2023JE008198
Yuchao Chen, Qian Huang, Jiannan Zhao, Haolin Yin
{"title":"Surface Geological Evolution in the Chang'e 5 Landing Area (Em4 Unit) Revealed by a New Age-Retrieving Method From Regression Learning","authors":"Yuchao Chen,&nbsp;Qian Huang,&nbsp;Jiannan Zhao,&nbsp;Haolin Yin","doi":"10.1029/2023JE008198","DOIUrl":"https://doi.org/10.1029/2023JE008198","url":null,"abstract":"<p>The chronology function and production function have been widely used to derive the model ages of lunar mare regions from crater size-frequency distributions. Challenges remain in homogenous counting area selection, crater saturation and crater rim identification. Geological unit-based ages are also difficult to study the continuous surface evolution among adjacent areas. Using regression-learning models, we have tried a new method on the Em4 unit of the Chang'e 5 landing area to explore a quantitative relationship between ages and surface morphometric expressions using texture features. Four features (Contrast, Energy, Entropy and Homogeneity), together with a stepwise linear model (SL) and a linear support-vector-machine model (LS), are well selected to produce a pixel-level continuous age map of the Em4 unit. Mean age values of 1.75 ± 0.26 Ga and 1.69 ± 0.22 Ga obtained respectively from the two models are consistent with the ages of Chang'e 5 samples returned from this area. Both texture features and age maps are separated along the NW-SE sinuous rilles (Rima Sharp and Rima Mairan). Comprehensively considering the geology, geomorphology, and newly retrieved ages of the study region, we have proposed a three-stage evolution process for the Em4 unit. Our new age-retrieving method is useful for obtaining a pixel-level high-resolution age map in the study region and has the potential to be widely used in other lunar mare areas.</p>","PeriodicalId":16101,"journal":{"name":"Journal of Geophysical Research: Planets","volume":null,"pages":null},"PeriodicalIF":4.8,"publicationDate":"2024-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140844853","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characterizing Liquid Water in Deep Martian Aquifers: A Seismo-Electric Approach 火星深层含水层中液态水的特征:地震电法
IF 4.8 1区 地球科学
Journal of Geophysical Research: Planets Pub Date : 2024-05-05 DOI: 10.1029/2024JE008292
N. Roth, T. Zhu, Y. Gao
{"title":"Characterizing Liquid Water in Deep Martian Aquifers: A Seismo-Electric Approach","authors":"N. Roth,&nbsp;T. Zhu,&nbsp;Y. Gao","doi":"10.1029/2024JE008292","DOIUrl":"https://doi.org/10.1029/2024JE008292","url":null,"abstract":"<p>Deep Martian aquifers harboring liquid water could hold vital insights for current and past habitability. We show that with seismo-electric interface responses (IRs) we can quantitatively characterize subsurface water on Mars. Full-waveform simulations and sensitivity analyses across diverse Martian aquifer scenarios demonstrate the technique's effectiveness. In contrast to how seismo-electric signals often appear on Earth, Mars' desiccated surface naturally removes co-seismic fields and exposes useful IRs that allow us to characterize several aquifer properties. Changing the aquifer depth, thickness, or quantity changes the IR arrival times or shape: aquifer depth is a strong control on evanescent IRs, thickness affects the relative timing of IRs, and increasing the number of aquifers introduces more dipole sources to the waveform. Other factors, such as aquifer saturation, chemistry, and salinity, strongly affect IR amplitude but have minimal or no effect on waveform shape. Notably, for a deep low-porosity aquifer, the salinity and brine chemistry (perchlorate vs. chloride) are the strongest controls on signal amplitude. Analyzing the effects of epicentral distance shows that radiating and evanescent IRs separate at large source-receiver offset, allowing analyses of both signals and accurate event distance derivation. From this numerical investigation of the sensitivity of IRs to deep Martian aquifers, we anticipate future analyses of electromagnetic data from the InSight lander or future missions to Mars and other planets.</p>","PeriodicalId":16101,"journal":{"name":"Journal of Geophysical Research: Planets","volume":null,"pages":null},"PeriodicalIF":4.8,"publicationDate":"2024-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1029/2024JE008292","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140844825","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Capillary Processes in Extraterrestrial Contexts 地外环境中的毛细管过程
IF 4.8 1区 地球科学
Journal of Geophysical Research: Planets Pub Date : 2024-05-03 DOI: 10.1029/2023JE008248
Daniel Cordier, Gérard Liger-Belair, David A. Bonhommeau, Thomas Séon, Thomas Appéré, Nathalie Carrasco
{"title":"Capillary Processes in Extraterrestrial Contexts","authors":"Daniel Cordier,&nbsp;Gérard Liger-Belair,&nbsp;David A. Bonhommeau,&nbsp;Thomas Séon,&nbsp;Thomas Appéré,&nbsp;Nathalie Carrasco","doi":"10.1029/2023JE008248","DOIUrl":"https://doi.org/10.1029/2023JE008248","url":null,"abstract":"<p>The Earth is no longer the only known celestial body containing one or more liquid phases. The Cassini spacecraft has discovered seas of hydrocarbons at the surface of Titan, while a series of corroborating evidences argue in favor of the existence of an aqueous ocean beneath the icy crust of several moons. Capillarity embraces a family of physical processes occurring at the free surface of a liquid. These phenomena depend on the liquid properties and on the local planetary conditions. Capillarity may have important direct or indirect implications on the geoscientific and astrobiological points of view. In this paper, we discuss capillarity physics among solar system objects and expected consequences for planetary science.</p>","PeriodicalId":16101,"journal":{"name":"Journal of Geophysical Research: Planets","volume":null,"pages":null},"PeriodicalIF":4.8,"publicationDate":"2024-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1029/2023JE008248","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140820630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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