{"title":"Seismic noise between 0.003 Hz and 1.0 Hz and its classification","authors":"Toshiro Tanimoto, Aaron Anderson","doi":"10.1186/s40645-023-00587-7","DOIUrl":"https://doi.org/10.1186/s40645-023-00587-7","url":null,"abstract":"Abstract It is now established that the primary microseism, the secondary microseisms, and the hum are the three main components of seismic noise in the frequency band from about 0.003 Hz to 1.0 Hz. Monthly averages of seismic noise are dominated by these signals in seismic noise. There are, however, some temporary additional signals in the same frequency band, such as signals from tropical cyclones (hurricanes and typhoons) in the ocean and on land, stormquakes, weather bombs, tornadoes, and wind-related atmospheric pressure loading. We review these effects, lasting only from a few hours to a week but are significant signals. We also attempt to classify all seismic noise. We point out that there are two broad types of seismic noise, the propagating seismic waves and the quasi-static deformations. The latter type is observed only for surface pressure changes at close distances. It has been known since about 1970 but has not been emphasized in recent literature. Recent data based on co-located pressure and seismic instruments clearly show its existence. Because the number of phenomena in the first type is large, we propose to classify all seismic noise into three categories: (1) propagating seismic waves from ocean sources, (2) propagating seismic waves from on-land sources, and (3) quasi-static deformation at ocean bottom and on land. The microseisms and the hum are in the first category although there are differences in the detailed processes of their excitation mechanisms. We will also classify temporary signals by these categories.","PeriodicalId":54272,"journal":{"name":"Progress in Earth and Planetary Science","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135982263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Integrated impact assessment of climate change and hydropower operation on streamflow and inundation in the lower Mekong Basin","authors":"Steven Ly, Takahiro Sayama, S. Try","doi":"10.1186/s40645-023-00586-8","DOIUrl":"https://doi.org/10.1186/s40645-023-00586-8","url":null,"abstract":"","PeriodicalId":54272,"journal":{"name":"Progress in Earth and Planetary Science","volume":"10 1","pages":"1-20"},"PeriodicalIF":3.9,"publicationDate":"2023-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42152636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Riho Kido, Takuya Inoue, Misako Hatono, Kazuki Yamanoi
{"title":"Assessing the impact of climate change on sediment discharge using a large ensemble rainfall dataset in Pekerebetsu River basin, Hokkaido","authors":"Riho Kido, Takuya Inoue, Misako Hatono, Kazuki Yamanoi","doi":"10.1186/s40645-023-00580-0","DOIUrl":"https://doi.org/10.1186/s40645-023-00580-0","url":null,"abstract":"Abstract Increased rainfall associated with climate change can increase sediment discharge. The supply of fine sediment from slope failures inhibits bed armoring of mountain rivers and increases sediment discharge to the downstream reaches. Floods without slope failures lead to bed erosion and armoring and may ultimately decrease sediment discharge. Thus, it is important to consider sediment discharge from slope failure and bed erosion as factors affecting sediment production. Climate change affects not only the rainfall amount, but also the temporal rainfall pattern; consequently, the pattern affects the sediment production factors and the amount of sediment discharge. However, changes in sediment discharge due to climate change based on sediment production sources have not yet been clarified. In this study, we statistically analyzed 1200 results simulated using a physics-based sediment runoff model to assess the impact of changes in temporal rainfall patterns on sediment discharge and sediment production sources in the Pekerebetsu River Basin. In the simulations, we used the rainfall predicted in d4PDF (Database for policy decision-making for future climate change), a large ensemble climate simulation database at 5 km and 20 km resolutions. Our results showed that the climate-driven increase in sediment discharge was considerably larger than that of rainfall. An increase in short-term heavy rainfall increased the supply of fine sediments from slope failure. This resulted in the suppression of bed armoring and a large increase in sediment discharge. Thus, the increase in sediment discharge is not only caused by an increase in rainfall but also by changes in temporal rainfall patterns and sediment production factors. The sediment discharge calculated for the 20 km resolution climate projection was nearly one order of magnitude smaller than that for the 5 km resolution. This suggests that the 20 km resolution climate projections do not adequately represent orographic rainfall in the mountains and thus, do not adequately reproduce extreme sediment discharge events. An increased sediment supply causes bed aggradation and decreases the river conveyance capacity of the downstream channel. The model developed in this study will contribute to flood risk analysis and flood control planning for increased rainfall due to climate change.","PeriodicalId":54272,"journal":{"name":"Progress in Earth and Planetary Science","volume":"310 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135403010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
L. Baddeley, Dag Lorentzen, Stein Haaland, E. Heino, Ingrid Mann, Wojciech Miloch, K. Oksavik, N. Partamies, Andres Spicher, Juha Vierinen
{"title":"Space and atmospheric physics on Svalbard: a case for continued incoherent scatter radar measurements under the cusp and in the polar cap boundary region","authors":"L. Baddeley, Dag Lorentzen, Stein Haaland, E. Heino, Ingrid Mann, Wojciech Miloch, K. Oksavik, N. Partamies, Andres Spicher, Juha Vierinen","doi":"10.1186/s40645-023-00585-9","DOIUrl":"https://doi.org/10.1186/s40645-023-00585-9","url":null,"abstract":"","PeriodicalId":54272,"journal":{"name":"Progress in Earth and Planetary Science","volume":"10 1","pages":"1-24"},"PeriodicalIF":3.9,"publicationDate":"2023-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44294632","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. Kusumoto, K. Imai, T. Hori, D. Sugawara, K. Satake
{"title":"Sensitivity of slip distribution on tsunami trace heights and geological evidences: a case study of the 2011 Tohoku-Oki earthquake","authors":"S. Kusumoto, K. Imai, T. Hori, D. Sugawara, K. Satake","doi":"10.1186/s40645-023-00582-y","DOIUrl":"https://doi.org/10.1186/s40645-023-00582-y","url":null,"abstract":"","PeriodicalId":54272,"journal":{"name":"Progress in Earth and Planetary Science","volume":" ","pages":"1-9"},"PeriodicalIF":3.9,"publicationDate":"2023-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46028723","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Qasim, Z. Rehman, L. Ding, J. Tanoli, W. Abbas, Muhammad Jamil, Z. Bhatti, M. Umar
{"title":"Foreland basin unconformity, Western Himalaya, Pakistan: timing gap, regional correlation and tectonic implications","authors":"M. Qasim, Z. Rehman, L. Ding, J. Tanoli, W. Abbas, Muhammad Jamil, Z. Bhatti, M. Umar","doi":"10.1186/s40645-023-00584-w","DOIUrl":"https://doi.org/10.1186/s40645-023-00584-w","url":null,"abstract":"","PeriodicalId":54272,"journal":{"name":"Progress in Earth and Planetary Science","volume":"10 1","pages":"1-10"},"PeriodicalIF":3.9,"publicationDate":"2023-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48893480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
G. Fujie, S. Kodaira, K. Obana, Y. Yamamoto, T. Isse, Tomoaki Yamada, T. No, Y. Nakamura, S. Miura
{"title":"The nature of the Pacific plate as subduction inputs to the northeastern Japan arc and its implication for subduction zone processes","authors":"G. Fujie, S. Kodaira, K. Obana, Y. Yamamoto, T. Isse, Tomoaki Yamada, T. No, Y. Nakamura, S. Miura","doi":"10.1186/s40645-023-00578-8","DOIUrl":"https://doi.org/10.1186/s40645-023-00578-8","url":null,"abstract":"","PeriodicalId":54272,"journal":{"name":"Progress in Earth and Planetary Science","volume":"10 1","pages":"1-28"},"PeriodicalIF":3.9,"publicationDate":"2023-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41622988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Y. Shimada, Y. Sawai, D. Matsumoto, K. Tanigawa, Kazumi Ito, T. Tamura, Y. Namegaya, M. Shishikura, S. Fujino
{"title":"Marine inundation history during the last 3000 years at Lake Kogare-ike, a coastal lake on the Pacific coast of central Japan","authors":"Y. Shimada, Y. Sawai, D. Matsumoto, K. Tanigawa, Kazumi Ito, T. Tamura, Y. Namegaya, M. Shishikura, S. Fujino","doi":"10.1186/s40645-023-00577-9","DOIUrl":"https://doi.org/10.1186/s40645-023-00577-9","url":null,"abstract":"","PeriodicalId":54272,"journal":{"name":"Progress in Earth and Planetary Science","volume":" ","pages":"1-28"},"PeriodicalIF":3.9,"publicationDate":"2023-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48131945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. Noda, Tomoki Ohno, C. Kodama, Ying-Wen Chen, N. Kuba, T. Seiki, Y. Yamada, M. Satoh
{"title":"Recent global nonhydrostatic modeling approach without using a cumulus parameterization to understand the mechanisms underlying cloud changes due to global warming","authors":"A. Noda, Tomoki Ohno, C. Kodama, Ying-Wen Chen, N. Kuba, T. Seiki, Y. Yamada, M. Satoh","doi":"10.1186/s40645-023-00583-x","DOIUrl":"https://doi.org/10.1186/s40645-023-00583-x","url":null,"abstract":"","PeriodicalId":54272,"journal":{"name":"Progress in Earth and Planetary Science","volume":"10 1","pages":"1-25"},"PeriodicalIF":3.9,"publicationDate":"2023-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42999269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"K-feldspar enrichment in the Pacific pelagic sediments before Miocene","authors":"Y. Usui, T. Yamazaki","doi":"10.1186/s40645-023-00581-z","DOIUrl":"https://doi.org/10.1186/s40645-023-00581-z","url":null,"abstract":"","PeriodicalId":54272,"journal":{"name":"Progress in Earth and Planetary Science","volume":"10 1","pages":"1-12"},"PeriodicalIF":3.9,"publicationDate":"2023-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42368789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}