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Real-time GNSS-A seafloor point positioning based on filter initial value determination

Publication date: 1 April 2026

Source: Advances in Space Research, Volume 77, Issue 7

Author(s): Shimei Zhang, Zhenjie Wang, Shuang Zhao, Zhen Sun

Severe geomagnetic storm driven by a slow ICME: Revisiting the August 2018 event

Publication date: 1 April 2026

Source: Advances in Space Research, Volume 77, Issue 7

Author(s): Digvijay Mishra, Anil Raghav, Ajay Kumar, Omkar Dhamane, Kalpesh Ghag, Kishor Kumbhar, Ankush Bhaskar, S. Tulasiram, Zubair Shaikh, Mariyam Karari, Mohit Shah, Shubham Kadam

Study on the correlation between low-frequency oscillation characteristics of hall thruster and evolution of erosion products

Publication date: 1 April 2026

Source: Advances in Space Research, Volume 77, Issue 7

Author(s): Renwei Zheng, Ximing Zhu, Bowen Zheng, Yang Zhao, Mofan Zhu, Junwei Jia

Online trajectory planning method for ascent phase of combined-cycle aerospace vehicle based on segmented hybrid network strategy

Publication date: 1 April 2026

Source: Advances in Space Research, Volume 77, Issue 7

Author(s): Wenjing Han, Yuanwen Cai, Moyao Yu, Wenting Han, Chunmiao Yu, Bingqin Liu

Complex dynamics from radio refractivity gradients over West African sub-Saharan stations: an implication on microwave propagation links

Publication date: 1 April 2026

Source: Advances in Space Research, Volume 77, Issue 7

Author(s): O.V. Edward, J.S. Ojo, O.E. Abe

The atmospheric residual error model of time-series InSAR based on ERA-5 PWV in Beijing, China

Publication date: 1 April 2026

Source: Advances in Space Research, Volume 77, Issue 7

Author(s): Haozhe Chi, Yong Wang, Yunlong Zhang, Chengwu Yang, Chen Chang, Fei Qiao, Xiangshun Meng, Chunhong Liu, Yanping Liu

Grid-based modeling of thermal discomfort and UHI: a multiple regression approach in Guwahati

Publication date: 1 April 2026

Source: Advances in Space Research, Volume 77, Issue 7

Author(s): Rituraj Neog

Hybrid decomposition-based deep learning and boosting models for accurate prediction of evaporation potential in multi-climate regions

Publication date: 1 April 2026

Source: Advances in Space Research, Volume 77, Issue 7

Author(s): Reza Farzad, Yusef Kheyruri, Ahmad Sharafati, Mahdi Salimi, Zaher Mundher Yaseen

Characteristic behavior of SAR arc, STEVE and Red-Green arc during HILDCAA events

Publication date: 1 April 2026

Source: Advances in Space Research, Volume 77, Issue 7

Author(s): Ayushi Nema, Kazuo Shiokawa, Martin Connors, Kamlesh N. Pathak, Abhirup Datta

Spacecraft angular rate estimation via event-based camera sensing

Publication date: 1 April 2026

Source: Advances in Space Research, Volume 77, Issue 7

Author(s): V. Franzese, M. El Hariry

Deducing plasmapause expansion velocity based on the THEMIS satellites

Publication date: 1 April 2026

Source: Advances in Space Research, Volume 77, Issue 7

Author(s): Mario Bandić, Giuliana Verbanac, Iannis Dandouras, Ljiljana Ivanković, Slaviša Živković, Arnaud Masson, Junghee Cho

Operational strategies for total lunar eclipse survival: on-orbit flight-proven insights from the KPLO extended mission

Publication date: 1 April 2026

Source: Advances in Space Research, Volume 77, Issue 7

Author(s): Moon-Jin Jeon, Young-Joo Song, Eunhyeuk Kim, Jo Ryeong Yim, Dong-Gyu Kim, SeungBum Hong, Jonghee Bae, Jun Bang

Multifidelity Monte Carlo for the estimation of spacecraft re-entry windows

Publication date: 1 April 2026

Source: Advances in Space Research, Volume 77, Issue 7

Author(s): Yannick Sztamfater Garcia, Boris Krämer, Aaron J. Rosengren, Manuel Sanjurjo Rivo, Joaquin Miguez

Analysis of Helium Monte Carlo Data for the ISS-CREAM Instrument

Publication date: 15 April 2026

Source: Advances in Space Research, Volume 77, Issue 8

Author(s): A. Bagga, S. Aggarwal, Y. Amare, D. Angelaszek, D.P. Bowman, Y.C. Chen, G.H. Choi, M. Copley, L. Derome, Z.M. Dorris, L. Eraud, J.H. Han, A. Haque, H.G. Huh, S. Jeong, S.C. Kang, H.J. Kim, K.C. Kim, M.H. Kim, J. Lee

Wavelet analysis of the scale-oriented structure of modeled synchrotron emission from electrons in synthetic turbulent magnetic fields

Publication date: 15 April 2026

Source: Advances in Space Research, Volume 77, Issue 8

Author(s): Pavel K. Batrakov, Vladimir O. Yurovsky, Ilya A. Kudryashov

Origins of Earth's most powerful ocean current revealed

Phys.org: Earth science - Mon, 04/06/2026 - 19:00
It transports far more than 100 times as much water as all of the Earth's rivers combined: The Antarctic Circumpolar Current rushes around the southern continent unhindered by land masses and is therefore a fundamental component of the climate system. In a recent study published in the journal Proceedings of the National Academy of Sciences, a research team led by the Alfred Wegener Institute describes how and when this mighty ring current developed in Earth's history.

Robotic floats uncover hidden ocean chemistry in low-oxygen zones

Phys.org: Earth science - Mon, 04/06/2026 - 17:40
Scientists have found a new way to detect subtle chemical signatures in seawater, revealing previously invisible details about the ocean's chemistry from data continuously collected by thousands of autonomous robotic floats drifting across the seas.

3D root model captures mangroves' capacity to protect coastal communities from storm waves

Phys.org: Earth science - Fri, 04/03/2026 - 16:20
Mangrove forests are natural wonders that protect coastal areas, particularly in tropical and subtropical regions. They are able to dissipate wave energy and limit flooding, which can even mitigate tsunamis and coastal inundations during tropical cyclones. For this reason, mangroves are attracting attention as Nature-based Solutions, or NbS: natural infrastructure with the potential to enhance coastal resilience in an environmentally friendly way.

P-wave velocity and azimuthal anisotropy of the crust and uppermost mantle beneath Northeast China

Geophysical Journal International - Fri, 04/03/2026 - 00:00
SummaryNortheast China hosts one of the largest intraplate Cenozoic volcanic provinces and has experienced multiple collisions during the Paleozoic, extension during the Late Jurassic–Early Cretaceous and compression during the Pliocene. Tectonism in Northeast China has been largely controlled by subduction of the western Pacific plate since the Mesozoic and is typically characterized by the formation of multiple intraplate volcanic groups and sedimentary basins. The mechanism underlying the tectonism in this area, particularly the origin of the Cenozoic intraplate volcanoes and the evolution of the supersedimentary Songliao basin, remains controversial. To address these issues, we conducted seismic tomography to image the P-wave velocity and azimuthal anisotropy of the crust and uppermost mantle beneath Northeast China. In this study, we adopt an eikonal equation-based traveltime tomography method to invert high-quality P-wave first arrivals. We manually pick 21,006 P-wave first arrivals from 890 regional earthquakes recorded by 426 broadband seismic stations. Four prominent features are revealed by tomographic inversion. First, the results reveal a significant low-velocity anomaly in the uppermost mantle of the Changbaishan volcano and strong azimuthal anisotropy with E–W-oriented fast velocity directions distributed along the low-velocity anomaly. This feature indicates horizontal flow in the uppermost mantle beneath the Changbaishan volcano. Second, a prominent low-velocity anomaly is present in the mid-lower crust below the Changbaishan volcano, implying the presence of a magma chamber. Third, the crust of the Wudalianchi volcano is characterized by a nearly normal velocity structure and strong azimuthal anisotropy with N–S-oriented fast velocity directions, suggesting that magmatic activity has little effect on the crustal structure. Fourth, a widespread distinct low-velocity anomaly in the mid-lower crust beneath the Songliao basin reflects the mechanically weak properties of the mid-lower crust.

Paleomagnetic constraints on Late Miocene kinematic adjustment in the western South Tianshan foreland

Geophysical Journal International - Fri, 04/03/2026 - 00:00
SummaryThe western South Tianshan foreland records late Cenozoic deformation associated with the India-Eurasia collision, yet the timing and nature of Miocene kinematic changes remain poorly constrained. Here we present new magnetostratigraphic, paleomagnetic, and anisotropy of magnetic susceptibility (AMS) data from a ~12–6 Ma succession in the western Keping fold-and-thrust belt (FTB). Paleomagnetic results from 39 site-mean directions reveal small-magnitude vertical-axis rotations since ~12 Ma, characterized by two distinct rotational phases: an earlier clockwise (CW) rotation (potentially reaching ~8-9° when evaluated relative to a younger counterclockwise (CCW) background) prior to ~10 Ma, followed by a persistent but minor CCW rotation (~4°) from ~10 to 6 Ma. Although the magnitude of rotation is limited, this pattern indicates a subtle change in rotational behavior. Importantly, the persistence of the CCW rotation throughout the younger interval suggests that the observed rotations were not fully acquired during deposition, but may have been modified by deformation younger than ~6 Ma. AMS fabrics show corresponding variations in magnetic anisotropy, indicating a shift from relatively organized tectonic strain to more distributed deformation. We interpret these results as reflecting progressive basinward propagation of thrusting in the South Tianshan foreland, with rotation-related deformation occurring during a relatively late stage. Overall, the dataset highlights the limited magnitude and young timing of rotational deformation within the Keping FTB.

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