Terrestrial, Atmospheric and Oceanic Sciences (TAO) - TAO Journal

Vol. 32, No. 2
April 2021

Table of Contents

Terrestrial, Atmospheric and
Oceanic Sciences (TAO)

ISSN:
1017-0839 (Print)
2311-7680 (Online)

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The Hualien earthquake swarms

Submission deadline: 2022/02/28

Tropical Cyclone Variability under Changing Climate

Submission deadline: 2021/09/30

Joint Call for Contributions to the Special Collection of YMC

http://www.jamstec.go.jp/ymc/ymc_sp_collection.html

Regional geoid for Nepal using Least-Squares Collocation
Author:
- Application of available airborne gravity data
- XGM2019e model for gravity reduction and restoring
- Least-Squares Collocation method for Geoid computation
- Author(s): Sushmita Timilsina, Martin Willberg, and Roland Pail
- DOI: 10.3319/TAO.2021.08.23.02
- Keywords: Geoid Least Squares Collocation Global Geopotential Model
The determination of Thailand Geoid Model 2017 (TGM2017) from airborne and terrestrial gravimetry
Author:
- TGM2017 was based on land and airborne gravity data with GECO and DTU13
- All heterogeneous data were combined using the least-squares collocation
- The least-squares collocation played an important role in downward continuation
- Author(s): Puttipol Dumrongchai, Chawis Srimanee, Nuttanon Duangdee, and Jittrakorn Bairaksa
- DOI: 10.3319/TAO.2021.08.23.01
- Keywords: Geoid Quasi geoid Terrestrial gravity Airborne gravity Downward continuation Least squares collocation
An experimental Indian gravimetric geoid model using Curtin University’s approach
Author:
- Indian gravimetric geoid and quasigeoid models are developed using the CUT method
- The peculiarities of the Indian geodetic data are discussed
- Intermediate results of geoid computation methodology are presented for the whole of India
- Author(s): Ropesh Goyal, Will E. Featherstone, Sten J. Claessens, Onkar Dikshit, and Nagarajan Balasubramanian
- DOI: 10.3319/TAO.2021.08.10.02
- Keywords: Geoid Quasigeoid India Curtin University’s approach

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Blend global analyses into the cyclic convective-scale data assimilation system to improve short-term QPF
Author:
- Dealing with accumulated forecast error is a key issue in the rapid update cycle
- Implementing the blending scheme is expected to improve the larger-scale features
- Blending large-scale water vapor information plays a key role in QPF improvement
- Author(s): Siou-Ying Jiang, Jing-Shan Hong, and Ben Jong-Dao Jou
- DOI: 10.3319/TAO.2021.09.13.01
- Keywords: Blending scheme Convective scale data assimilation Cut off length scale
Joint modulations of Taiwan rainfall by tropical cyclone, northeast monsoon, and intraseasonal oscillation in October
Author:
- A TC-NE monsoon interaction can induce evident rainfall over eastern Taiwan
- This interaction is related to TC tracks along the oceans to the south/southwest of Taiwan
- The major effect of ISO is to steer TC movement, rather than induce local rainfall
- Author(s): Tzu-Ling Lai, Jau-Ming Chen, Chung-Hsiung Sui, Mei-Yun Tsai, Ching-Feng Shih, and Wei-Teh Li
- DOI: 10.3319/TAO.2021.09.06.01
- Keywords: Tropical cyclone Northeast monsoon ISO Taiwan rainfall October
Assessing the potential predictability of tropical cyclone activity in the Philippines on weekly timescales
Author:
- One- and two-week TC forecasts are evaluated
- MJO affects TC predictability in 2015 and 2017 over the Philippines
- Predictable TCs have similar characteristics with those occurring during El Niño events
- Author(s): Marcelino Q. Villafuerte II, Tzu-Ting Lo, Hsiao-Chung Tsai, and Esperanza O. Cayanan
- DOI: 10.3319/TAO.2021.08.23.03
- Keywords: Extended range tropical cyclone forecasts ENSO MJO The Philippines

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Carbonate chemistry of the Dongsha Atoll Lagoon in the northern South China Sea

Author:
- Author(s): Lan-Feng Fan, Song-Quan Qiu, and Wen-Chen Chou
- DOI: 10.3319/TAO.2021.05.15.02
- Keywords: Carbonate chemistry Dongsha Atoll Coral reef CO2 Ocean acidification South China Sea
- Citation: Fan, L.-F., S.-Q. Qiu, and W.-C. Chou, 2021: Carbonate chemistry of the Dongsha Atoll Lagoon in the northern South China Sea. Terr. Atmos. Ocean. Sci., 32, 399-409, doi: 10.3319/TAO.2021.05.15.02
Phytoplankton production and consumption rate in the warm and cold seasons in the coastal ecosystem of Matsu Island
Author:
- We studied the carbon flux in the microbial and classical food webs
- Large autotrophs (>20 μm) were available for mesozooplankton in the warm season
- Microbial food web was found to be an important compartment in the cold season
- Author(s): An-Yi Tsai, Gwo-Ching Gong, Kuo-Ping Chiang, and Sheng-Fang Tsai
- DOI: 10.3319/TAO.2021.05.15.01
- Keywords: Phytoplankton Mesozooplankton Microbial food webs Classical food webs
- Citation: Tsai, A.-Y., G.-C. Gong, K.-P. Chiang, and S.-F. Tsai, 2021: Phytoplankton production and consumption rate in the warm and cold seasons in the coastal ecosystem of Matsu Island. Terr. Atmos. Ocean. Sci., 32, 391-398, doi: 10.3319/TAO.2021.05.15.01
Coastal inundation modeling and mapping for North Jakarta coast during a supermoon period
Author:
- The development of the inundation modelling and mapping for North Jakarta coast
- The initials of the model used components of the wave, hydrodynamic, and hydrology
- Produce coastal inundation mapping
- Author(s): Nelly Florida Riama, Riri Fitri Sari, Widada Sulistya, Henita Rahmayanti, Khafid Rizki Pratama, Bayu Edo Pratama, and Arief Wibowo Suryo
- DOI: 10.3319/TAO.2021.04.02.01
- Keywords: North Jakarta Supermoon Water level Delft3D Coastal inundation Early warning
- Citation: Riama, N. F., R. F. Sari, W. Sulistya, H. Rahmayanti, K. R. Pratama, B. E. Pratama, and A. W. Suryo, 2021: Coastal inundation modeling and mapping for North Jakarta coast during a supermoon period. Terr. Atmos. Ocean. Sci., 32, 375-390, doi: 10.3319/TAO.2021.04.02.01

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First record of Late Miocene Dendrophyllia de Blainville, 1830 (Scleractinia: Dendrophylliidae) in Taiwan
Author:
- First record of Dendrophyllia fossils in Taiwan
- Specimens from this study can be dated back to the Late Miocene
- Insights on the local marine paleoenvironment interpreted from combination of fossil assemblages
- Author(s): Lauriane Ribas-Deulofeu, Yen-Chun Wang, and Chien-Hsiang Lin
- DOI: 10.3319/TAO.2021.09.13.02
- Keywords: Coral Fossil Dendrophyllia Late Miocene Tapu Formation Taiwan
Gabbroic enclave in intermediate ignimbrites: The youngest eruptive event in the northern Luzon Arc-Taiwan region
Author:
- Gabbroic enclave in the Shihtiping ignimbrite was a shallow reservoir cumulate
- We identified three sub-stages magmatic processes at 4 Ma in the Shihtiping area
- The record of the youngest eruption in the northern Luzon Arc-Taiwan region is 4 Ma
- Author(s): Yu-Ming Lai, Yu-Yun Cho, Hao-Yang Lee, Dung-Han Lee, Yoshiyuki Iizuka, and Long Xiang Quek
- DOI: 10.3319/TAO.2021.09.07.02
- Keywords: Mafic magmatic enclaves Zircon U Pb geochronology Ignimbrite Northern Luzon Arc Geochemistry Shihtiping Tuff
Characteristics of a laccolith along the LRTPB fault zone between Pearl River Mouth Basin and Southwest Taiwan Basin
Author:
- A large-scale anomaly was seismically observed and identified as laccolith
- Its elongated shape is accordant to the LRTPB dividing the SWTB and PRMB
- The LRTPB may be responsible for the formation of the large-scale anomaly
- Author(s): Boan Li, Qunshu Tang, Pin Yan, Junhui Yu, and Xiao Wang
- DOI: 10.3319/TAO.2021.09.07.01
- Keywords: Northeastern South China Sea Continental slope Sills Laccolith Fault zone

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VHF scintillations and plasma drifts observed in southern Taiwan during the declining phase of solar cycle 24
Author:
- Multi-temporal variations of VHF scintillations investigated at EIA latitude
- Strong/weak scintillations have different local-time dependences
- Dayside plasma drifts are prominently westward and nightside drifts are eastward
- Author(s): Ya-Chih Mao and Cissi Ying-tsen Lin
- DOI: 10.3319/TAO.2021.09.16.02
- Keywords: Scintillation Plasma drift Very high frequency sounding Equatorial ionization anomaly
Impact of semi-annual ionospheric total electron content variation on station displacements using single-frequency PPP
Author:
- Low-cost single-frequency GPS receivers are used for landslide monitoring
- The high-order ionospheric effect dominates the GPS station velocity field
- This study serves an important reference for GPS precise point positioning
- Author(s): Tzu-Pang Tseng, C. K. Shum, Yu-Shen Hsiao, Chung-Yen Kuo, and Wen-Hao Yeh
- DOI: 10.3319/TAO.2021.08.31.01
- Keywords: Precise point positioning Single frequency Station displacement Ionosphere Total electron content
Ionospheric tilting of 21 August 2017 total solar eclipse sounded by GNSS ground-based receivers and radio occultation
Author:
- A TEC double-peaked feature is recorded during the 21 August 2017 solar eclipse
- The experiment indicates the tilted ionosphere results in the double-peaked feature
- The double-peaked feature can only detect under a particular position
- Author(s): Chi-Yen Lin, Jann-Yenq Liu, Yang-Yi Sun, Charles Chien-Hung Lin, Loren C. Chang, Chao-Yen Chen, and Chia-Hung Chen
- DOI: 10.3319/TAO.2021.08.17.01
- Keywords: GNSS Total electron content Ionosphere Radio occultation Solar eclipse

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A global-scale overview of precipitation-deficit flash droughts
Author:
- The study presents a framework to characterize precipitation-deficit flash droughts
- Frequency of flash droughts shows recognizable geographical and seasonal patterns
- Only a few areas exhibit significant trends in the number of events faced over time
- Author(s): Natalia Limones
- DOI: 10.3319/TAO.2021.09.16.01
- Keywords: Precipitation extremes Flash drought Spatiotemporal patterns Drought indexes High resolution gridded datasets
Probabilistic typhoon rainfall forecasting using a modified fuzzy inference model
Author:
- Modified fuzzy inference model with revised implication and defuzzification processes
- Resampling process to generate a predicted probability distribution
- Real-time probabilistic typhoon rainfall forecasting
- Author(s): Shien-Tsung Chen
- DOI: 10.3319/TAO.2021.07.23.01
- Keywords: Probabilistic forecasting Fuzzy inference Typhoon rainfall
Characteristics and prediction of extreme drought event using LSTM model in Wei River Basin
Author:
- The characteristics and influence factors of drought trends are analyzed
- The Long short-term memory was used to predict the future SPEI value
- The results provide ideas references for extreme drought events prevention
- Author(s): Dongfei Yan, Rengui Jiang, Jiancang Xie, Yong Zhao, Jiwei Zhu, and Jichao Liang
- DOI: 10.3319/TAO.2021.02.07.01
- Keywords: Extreme drought event SPEI Non parametric Mann Kendall analysis LSTM Wei River Basin
- Citation: Yan, D., R. Jiang, J. Xie, Y. Zhao, J. Zhu, and J. Liang, 2021: Characteristics and prediction of extreme drought event using LSTM model in Wei River Basin. Terr. Atmos. Ocean. Sci., 32, 261-274, doi: 10.3319/TAO.2021.02.07.01

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