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

Vol. 30, No. 3
June 2019

Table of Contents

Terrestrial, Atmospheric and
Oceanic Sciences (TAO)

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

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Peak ground acceleration estimation using P-wave parameters and horizontal-to-vertical spectral ratios
Author:
- Including site parameters can improve PGA prediction using P-wave features
- HVSR improves the PGA prediction accuracy the most
- VS30, site class, and peak frequency can improve little PGA prediction accuracy
- Author(s): Ting-Yu Hsu, Chia-Wei Liang, Rih-Teng Wu, Chun-Hsiang Kuo, and Che-Min Lin
- DOI: 10.3319/TAO.2019.07.04.01
- Keywords: HVSR PGA Site Effects
Analysis on full-domain apparent resistivity characteristics of ground-tunnel transient electromagnetic method
Author:
- Proposed a calculation idea for full-domain apparent resistivity of ground-tunnel TEM
- Calculated the full-domain apparent resistivity of different geoelectric models
- The analysis laid a theoretical foundation for the interpretation of this method
- Author(s): Yaoning Liu, Shucai Liu, Zhihai Jiang, and Shuangshuang Chen
- DOI: 10.3319/TAO.2019.07.02.02
- Keywords: Ground tunnel TEM Full domain apparent resistivity Characteristic analysis
Illustrate mud-fluid conduits and their variety using resistivity image profiling method in Southwest Taiwan
Author:
- Using RIP method to analyze mud volcano structure and the mud–fluid conduits
- Resistivity was change because of the gas and water content changes
- Mud volcano has regain system to maintain activity
- Author(s): Nan-Ting Yen, Ting-Li Lin, Ling-Rong Liao, Ping-Yu Chang, and Himanshu Mittal
- DOI: 10.3319/TAO.2019.07.02.01
- Keywords: Resistivity Mud volcano Survey line Mud fluid Conduit

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Evolution of water budget and precipitation efficiency of mesoscale convective systems over the South China Sea
Author:
- Water-vapor transport along southwesterly flow from the SCS to Taiwan is simulated
- Wind convergence contributes mostly to vapor flux convergence
- Ice microphysical processes are more important after the landfall of MCSs on Taiwan
- Author(s): Yao-Chu Wu, Ming-Jen Yang, and Po-Hsiung Lin
- DOI: 10.3319/TAO.2019.07.17.01
- Keywords: Water budget Precipitation efficiency Atmospheric rivers
Implementation of tidal parameterization in the Weather Research and Forecasting (WRF) model
Author:
- A tidal parameterization was implemented in the WRF model
- The implementation results were evaluated with the observations on the tidal flat
- The tidal effect impacts on the meteorological fields were examined on clear days
- Author(s): Young-Hee Lee, Kwang-Deuk Ahn, Yong Hee Lee, and Hyunmin Eom
- DOI: 10.3319/TAO.2019.07.03.01
- Keywords: Implementation of tidal parameterization Surface fluxes WRF model
Characteristics of tropical cyclone activity over the South China Sea: Local and nonlocal tropical cyclones
Author:
- Contrasts characteristics of local and nonlocal TCs in the SCS
- Slower motion (and weaker intensity) of local TCs increases TC rainfall
- A significant inverse relationship between local and nonlocal TCs
- Author(s): Liang Wu, Hongjie Zhang, Jau-Ming Chen, and Tao Feng
- DOI: 10.3319/TAO.2019.07.01.02
- Keywords: Local and nonlocal Tropical Cyclones South China Sea (SCS) Climatological characteristic Interdecadal variability

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Verification of the internal tide off Zhiben coast, Taitung, southeast Taiwan
Author:
- Deep ocean water from an industrial pipeline was monitored continuously
- Variations of nutrient concentrations showed a semi-diurnal cycle
- Physical measurements revealed similar oscillating scales or frequencies
- Author(s): Yiing-Jang Yang, Chan-Chuan Wen, Ping-Yi Huang, Cheng-Yun Wang, Ken-Sheng Chu, and Su-Cheng Pai
- DOI: 10.3319/TAO.2019.07.14.01
- Keywords: Nutrients Pipeline Internal tide Taitung
Biomass and estimated production, and feeding pressure on zooplankton of chaetognaths in the Yellow Sea, China
Author:
- The mean chaetognath biomass was 2.56 - 5.57 mg DM m^-3
- The annual average estimated chaetognath production was 15.90 mg C m^-3 year^-1
- The annual average feeding pressure on zooplankton production was 18.95%
- Author(s): Yuanzi Huo, Qiao Liu, Fang Zhang, Chaolun Li, Zhencheng Tao, Hongsheng Bi, Chunlei Fan, Jianheng Zhang, and Song Sun
- DOI: 10.3319/TAO.2019.06.26.01
- Keywords: Zooplankton Chaetognaths Sagitta species Feeding pressure Production Yellow Sea
Climatic factors and their robust evidences controlling phytoplankton biomass in the Bransfield Strait
Author:
- Large interannual Chl-a variation is observed in the Bransfield Strait
- The Chl-a variation is strongly correlated with ENSO, SST, and wind speed
- A simple multivariable regression with the 3 variables successfully predicted Chl-a
- Author(s): Hyoung Sul La, Keyhong Park, Jeong Yeob Chae, Taewook Park, and Jisoo Park
- DOI: 10.3319/TAO.2019.04.30.01
- Keywords: Chlorophyll Interannual variation ENSO Bransfield Strait Antarctica

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Crustal stress field in Ilan Plain, NE Taiwan and the westernmost Okinawa trough-deduced from seismic stress inversion
Author:
- Using seismic stress inversion acquires the crust stress field in Ilan Plain region
- NW-SE σ₃ is the dominant stable stress and clockwise rotates in SE Ilan Plain
- Choshui fault is the important stress barrier in the middle Ilan Plain
- Author(s): Chung-Liang Lo, Wen-Nan Wu, Wen-Bin Doo, Yin-Shen Huang, and Shu-Kun Hsu
- DOI: 10.3319/TAO.2019.08.09.01
- Keywords: The seismic stress inversion Stress field Stress rotation Choshui fault Westernmost Okinawa trough Ilan Plain
Hydrothermal activity revealed by the magnetic susceptibility anomaly from core sediments in the southern Okinawa Trough
Author:
- Chirp sonar is used to detect gas emissions in the southern Okinawa Trough
- VSM measurements and XRD analyses are applied to identify magnetic minerals
- Magnetic susceptibility anomaly could be an indicator revealing hydrothermal activity
- Author(s): Yin-Sheng Huang, Chih-Chieh Su, Wen-Bin Doo, Shu-Kun Hsu, Chin-Hui Tsai, Hsueh-Fen Wang, Shiao-Shan Lin, Chin-Wei Liang, Jing-Yi Lin, Jui-Er Chen, Yi-Jung Lin, and Yunshuen Wang
- DOI: 10.3319/TAO.2019.07.31.01
- Keywords: Magnetic susceptibility Authigenic iron sulfides Hydrothermal activity Southern Okinawa Trough
Gas plumes and near-seafloor bottom current speeds of the southernmost Okinawa Trough determined from echo sounders
Author:
- A total number of 266 gas plumes are recognized in southernmost Okinawa Trough
- Bottom currents can be estimated from gas plume images
- Northeastward flow bottom currents exist in southernmost Okinawa Trough has
- Author(s): Ching-Hui Tsai, Shu-Kun Hsu, Yen-Fu Chen, Hsiao-Shan Lin, Shiou-Ya Wang, Song-Chuen Chen, Chin-Wei Liang, and Yen-Yu Cho
- DOI: 10.3319/TAO.2019.07.07.01
- Keywords: Gas plume Bottom current Okinawa Trough Echo sounder

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Interplanetary Magnetic Field (IMF) control over the global structures of laboratory magnetosphere
Author:
- Complete phenomena in series of UCR-T1 experiments were presented
- The used scaling laws are significant for laboratory magnetosphere global structure
- The optical images of aurora impacted by FAC were clearly presented
- Author(s): Wei-Tsung Fu, Gung Yur, Chi-Kuang Chao, and Hafiz-Ur Rahman
- DOI: 10.3319/TAO.2019.06.16.02
- Keywords: Laboratory simulation Magnetosphere Magnetotail
Radar phase offset estimate using ionospheric field-aligned irregularities and aircraft
Author:
- Developing a method using aircraft to estimate radar system phase offset
- Aircraft-estimated phase offsets are consistent with multirotor estimates
- Discrepancy in system phase offset between aircraft and FAI methods is found
- Author(s): Ting-Han Lin, Yen-Hsyang Chu, Ching-Lun Su, and Kuo-Feng Yang
- DOI: 10.3319/TAO.2019.05.09.01
- Keywords: VHF coherent scatter Radar Aircraft Field aligned irregularities Interferometry System phase offset ADS B system
Landslide monitoring with interferometric SAR in Liugui, a vegetated area
Author:
- From InSAR analysis, headward erosion process is found in the Liugui study site
- Monitoring landslides in vegetated area solely with InSAR is not feasible
- InSAR could be useful for landslide monitoring when condition is favourable
- Author(s): Peter Tian-Yuan Shih, Huijung Wang, Kuo-Wei Li, Jyh-Jong Liao, and Yii-Wen Pan
- DOI: 10.3319/TAO.2019.04.13.01
- Keywords: Persistent scatterer Geomorphological features Remote sensing

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Surface soil temperatures of various land cover types within the Chianan Plain, southern Taiwan
Author:
- Soil surface temperatures within the Chianan Plain display a correlation with land cover
- Calculated temperatures were 25.2 to 27.6°C for various land covers
- Surface temperature history should consider the impact of land cover change
- Author(s): Wenfu Chen
- DOI: 10.3319/TAO.2019.05.07.01
- Keywords: Surface soil temperature Chianan Plain Temperature depth profile Land cover
Method to improve accuracy of water flow velocity at short distance measured by Pulse Boundary Model
Author:
- Coupled method of the Pulse Boundary Model and salt tracer method to reduce error
- Outline the procedures of the coupled method
- Validate the new improved method by comparing with the volumetric method
- Author(s): Yuequn Dong, Tingwu Lei, Qingwen Zhang, Xiaohui Zhuang, and Fangfang Liu
- DOI: 10.3319/TAO.2019.02.07.01
- Keywords: Flow Velocity Pulse Boundary Method Centroid velocity Peak concentration velocity
Integrating hydrodynamic model and Monte Carlo simulation for predicting extreme water levels in a river system
Author:
- The integration of hydrodynamic model and Monte Carlo simulation was explored
- The model was calibrated and verified with measured water levels
- Designed water level was estimated using probability distribution
- Author(s): Wen-Cheng Liu and Hong-Ming Liu
- DOI: 10.3319/TAO.2019.01.18.01
- Keywords: Extreme water level Hydrodynamic model Monte Carlo Joint probability Model calibration and verification Danshuei River system

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