Search results for: Fangli Qiao

Items from 1 to 20 out of 91 results

article

Seasonal to decadal spatiotemporal variations of the global ocean carbon sink

Min Zhang, Yangyan Cheng, Ying Bao, Chang Zhao, more

Global Change Biology > 28 > 5 > 1786 - 1797

The global ocean has absorbed approximately 30% of anthropogenic CO₂ since the beginning of the industrial revolution. However, the spatiotemporal evolution of this important global carbon sink varies substantially on all timescales and has not yet been well evaluated. Here, based on a reconstructed observation‐based product of surface ocean pCO₂ and air–sea CO₂ flux (the MPI‐SOMFFN method), we investigated...

article

Quantifying the importance of interannual, interdecadal and multidecadal climate natural variabilities in the modulation of global warming rates

Meng Wei, Fangli Qiao, Yongqing Guo, Jia Deng, more

Climate Dynamics > 2019 > 53 > 11 > 6715-6727

Despite the monotonically rising greenhouse gas emission, global warming rate changes again and again, especially the slowdown during 1998–2013, challenging the current global temperature change mechanisms. Recently, different-scale natural climate variabilities have been individually recognized as the potential causes of global warming rate change, particularly the recent warming slowdown, but disagreements...

article

Assessment of the Atlantic water layer in the Arctic Ocean in CMIP5 climate models

Qi Shu, Qiang Wang, Jie Su, Xiang Li, more

Climate Dynamics > 2019 > 53 > 9-10 > 5279-5291

Atlantic water (AW) plays an important role in the thermal balance of the Arctic Ocean, but thus far there has been no comprehensive assessment of the AW layer in the Arctic Ocean simulated by coupled climate models in the framework of Coupled Model Intercomparison Project (CMIP). In this study we assessed the climatology and the trend of the Arctic AW layer in the historical simulations of 41 CMIP5...

article

China published ocean forecasting system for the 21st-Century Maritime Silk Road on December 10, 2018

Fangli Qiao, Guansuo Wang, Somkiat Khokiattiwong, Mohd Fadzil Akhir, more

Acta Oceanologica Sinica > 2019 > 38 > 1 > 1-3

Foundation item: The National Natural Science Foundation of China under contract No. 41821004; the NSFC-Shandong Joint Fund for Marine Science Research Centers under contract No. U1606405; the International Cooperation Project of Indo-Pacific Ocean Environment Variation and Air-Sea Interaction under contract No. GASI-IPOVAI-05; the IOC/WESTPAC OFS Project.

article

Seasonal prediction skills of FIO-ESM for North Pacific sea surface temperature and precipitation

Yiding Zhao, Xunqiang Yin, Yajuan Song, Fangli Qiao

Acta Oceanologica Sinica > 2019 > 38 > 1 > 5-12

The seasonal prediction of sea surface temperature (SST) and precipitation in the North Pacific based on the hindcast results of The First Institute of Oceanography Earth System Model (FIO-ESM) is assessed in this study. The Ensemble Adjusted Kalman Filter assimilation scheme is used to generate initial conditions, which are shown to be reliable by comparison with the observations. Based on this comparison,...

article

A model for the transportation and distribution of jellyfish Rhopilema esculentum for stock enhancement in the Liaodong Bay, China

Liping Yin, Xiujuan Shan, Chang Zhao, Xianshi Jin, more

Acta Oceanologica Sinica > 2019 > 38 > 1 > 90-101

A numerical model for jellyfish Rhopilema esculentum stock enhancement is developed for the first time. The model is based on an operational ocean circulation-surface wave coupled forecasting system for the seas off China and adjacent areas and uses a Lagrangian particle-tracking scheme to track the trajectories of released jellyfish. The Jellyfish are modeled as particles with diel vertical migration...

article

The response of the upper ocean to tropical cyclone Viyaru over the Bay of Bengal

Mir Kashem, Md Kawser Ahmed, Fangli Qiao, M. A. E. Akhter, more

Acta Oceanologica Sinica > 2019 > 38 > 1 > 61-70

Better forecast of tropical cyclone (TC) can help to reduce risk and enhance management. The TC forecast depends on the scientific understanding of oceanic processes, air-sea interaction and finally, the atmospheric process. The TC Viyaru is taken as an example, which is formed at the end of 11 May 2013 and sustains up to 17 May 2013 during pre-monsoon season. Argo data are used to investigate ocean...

article

Introduction of the special issue on the 10th WESTPAC International Scientific Conference

Fangli Qiao, Si Tuan Vo, Wenxi Zhu

Acta Oceanologica Sinica > 2019 > 38 > 1 > 4-4

Foundation item: The NSFC-Shandong Joint Fund for Marine Science Research Centers under contract No. U1606405; the International Ccooperation Project of Indo-Pacific Ocean Environment Variation and Air-Sea Interaction under contract No. GASIIPOVAI- 05; the IOC/WESTPAC OFS Project.

article

Sensitivity of the half-life time of water exchange in coastal waters

Zhenhua Chen, Fangli Qiao, Gang Wang, Changshui Xia

Science China Earth Sciences > 2019 > 62 > 4 > 643-656

A three-dimensional model was established to investigate water exchange in coastal waters, and applied to Qinzhou Bay (QZB) in the South China Sea. Given the strong tidal current in QZB, a half-life time was calculated for water exchange by filtering the tidal signal from the concentrations of a conservative substance. In a control run driven by the tide, without external inputs and an open boundary...

article

Geostrophic Spirals Generated by the Horizontal Diffusion of Vortex Stretching in the Yellow Sea

Xiangzhou Song, Rui Xin Huang, Dexing Wu, Fangli Qiao, more

Advances in Atmospheric Sciences > 2019 > 36 > 2 > 219-230

Horizontal velocity spirals with a clockwise rotation (downward looking) rate of 1.7° m⁻¹, on average, were observed in the western and northern Yellow Sea from December 2006 to February 2007. With the observed thermal wind relation, the beta-spiral theory was used to explain the dynamics of spirals. It was found that the horizontal diffusion of geostrophic vortex stretching is likely to be a major...

article

Rapid intensification of Super Typhoon Haiyan: the important role of a warm-core ocean eddy

Guansuo Wang, Biao Zhao, Fangli Qiao, Chang Zhao

Ocean Dynamics > 2018 > 68 > 12 > 1649-1661

Super Typhoon Haiyan devastated portions of Southeast Asia, particularly the Philippines, on November 8, 2013. In this paper, observational data are used to analyze the intensification process of Super Typhoon Haiyan. Observational data showed that Typhoon Haiyan intensified and the maximum sustained winds increased to 59 ms⁻¹ after it encountered a double warm-core ocean eddy, while the central pressure...

article

Evaluation on surface current observing network of high frequency ground wave radars in the Gulf of Thailand

Xunqiang Yin, Junqiang Shi, Fangli Qiao

Ocean Dynamics > 2018 > 68 > 4-5 > 575-587

Due to the high cost of ocean observation system, the scientific design of observation network becomes much important. The current network of the high frequency radar system in the Gulf of Thailand has been studied using a three-dimensional coastal ocean model. At first, the observations from current radars have been assimilated into this coastal model and the forecast results have improved due to...

article

Evaluation on data assimilation of a global high resolution wave-tide-circulation coupled model using the tropical Pacific TAO buoy observations

Junqiang Shi, Xunqiang Yin, Qi Shu, Bin Xiao, more

Acta Oceanologica Sinica > 2018 > 37 > 3 > 8-20

In order to evaluate the assimilation results from a global high resolution ocean model, the buoy observations from tropical atmosphere ocean (TAO) during August 2014 to July 2015 are employed. The horizontal resolution of wave-tide-circulation coupled ocean model developed by The First Institute of Oceanography (FIOCOM model) is 0.1°×0.1°, and ensemble adjustment Kalman filter is used to assimilate...

article

The long-term prediction of the oil-contaminated water from the Sanchi collision in the East China Sea

Liping Yin, Min Zhang, Yuanling Zhang, Fangli Qiao

Acta Oceanologica Sinica > 2018 > 37 > 3 > 69-72

The condensate and bunker oil leaked from the Sanchi collision would cause a persistent impact on marine ecosystems in the surrounding areas. The long-term prediction for the distribution of the oil-polluted water and the information for the most affected regions would provide valuable information for the oceanic environment protection and pollution assessment. Based on the operational forecast system...

article

Spatiotemporal evolution of the chlorophyll a trend in the North Atlantic Ocean

Min Zhang, Yuanling Zhang, Qi Shu, Chang Zhao, more

Science of The Total Environment > 2018 > 612 > C > 1141-1148

Analyses of the chlorophyll a concentration (chla) from satellite ocean color products have suggested the decadal-scale variability of chla linked to the climate change. The decadal-scale variability in chla is both spatially and temporally non-uniform. We need to understand the spatiotemporal evolution of chla in decadal or multi-decadal timescales to better evaluate its linkage to climate variability...

article

Link between the Barents Oscillation and recent boreal winter cooling over the Asian midlatitudes

Qi Shu, Fangli Qiao, Zhenya Song, Yajuan Song

Advances in Atmospheric Sciences > 2018 > 35 > 1 > 127-132

The link between boreal winter cooling over the midlatitudes of Asia and the Barents Oscillation (BO) since the late 1980s is discussed in this study, based on five datasets. Results indicate that there is a large-scale boreal winter cooling during 1990–2015 over the Asian midlatitudes, and that it is a part of the decadal oscillations of long-term surface air temperature (SAT) anomalies. The SAT...

article

Modeling of suspended sediment concentrations under combined wave-current flow over rippled bed

Jing Lu, Xiao Hua Wang, Alexander V. Babanin, Saima Aijaz, more

Estuarine, Coastal and Shelf Science > 2017 > 199 > C > 59-73

Ripples appear and disappear dynamically on coastal bed. The bottom stress can significantly be enhanced when ripples appear, and then the sediment transport will be influenced by the ripple-enhanced stress. However, ripples’ impact on suspended sediments is seldom discussed. In this study, a bedform (ripples) module based on combined wave and current flow is coupled with a bottom boundary layer (BBL)...

article

Development of a regional ocean–atmosphere‐wave coupled model and its preliminary evaluation over the CORDEX East Asia domain

Liwei Zou, Tianjun Zhou, Fangli Qiao, Wei Zhao

International Journal of Climatology > 37 > 12 > 4478 - 4485

In this study, a regional ocean–atmosphere‐wave coupled model was developed using the Ocean Atmosphere Sea Ice Soil (OASIS) version 3 coupler and applied to the Coordinated Regional Downscaling Experiment (CORDEX) Phase 1 East Asia domain. The impacts of the non‐breaking surface wave‐induced mixing Bv on the model performance were investigated. The inclusion of the surface wave model enhanced the...

article

Effect of increasing Arctic river runoff on the Atlantic meridional overturning circulation: a model study

Qi Shu, Fangli Qiao, Zhenya Song, Bin Xiao

Acta Oceanologica Sinica > 2017 > 36 > 8 > 59-65

An increasing amount of freshwater has been observed to enter the Arctic Ocean from the six largest Eurasian rivers over the past several decades. The increasing trend is projected to continue in the twenty-first century according to Coupled Model Intercomparison Project Phase 5 (CMIP5) coupled models. The present study found that water flux from rivers to the Arctic Ocean at the end of the century...

article

Seasonal variation of the global mixed layer depth: comparison between Argo data and FIO-ESM

Yutong Zhang, Haiming Xu, Fangli Qiao, Changming Dong

Frontiers of Earth Science > 2018 > 12 > 1 > 24-36

The present study evaluates a simulation of the global ocean mixed layer depth (MLD) using the First Institute of Oceanography-Earth System Model (FIOESM). The seasonal variation of the global MLD from the FIO-ESM simulation is compared to Argo observational data. The Argo data show that the global ocean MLD has a strong seasonal variation with a deep MLD in winter and a shallow MLD in summer, while...

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INFONA - science communication portal

Search results for: Fangli Qiao

Seasonal to decadal spatiotemporal variations of the global ocean carbon sink

Quantifying the importance of interannual, interdecadal and multidecadal climate natural variabilities in the modulation of global warming rates

Assessment of the Atlantic water layer in the Arctic Ocean in CMIP5 climate models

China published ocean forecasting system for the 21st-Century Maritime Silk Road on December 10, 2018

Seasonal prediction skills of FIO-ESM for North Pacific sea surface temperature and precipitation

A model for the transportation and distribution of jellyfish Rhopilema esculentum for stock enhancement in the Liaodong Bay, China

The response of the upper ocean to tropical cyclone Viyaru over the Bay of Bengal

Introduction of the special issue on the 10th WESTPAC International Scientific Conference

Sensitivity of the half-life time of water exchange in coastal waters

Geostrophic Spirals Generated by the Horizontal Diffusion of Vortex Stretching in the Yellow Sea

Rapid intensification of Super Typhoon Haiyan: the important role of a warm-core ocean eddy

Evaluation on surface current observing network of high frequency ground wave radars in the Gulf of Thailand

Evaluation on data assimilation of a global high resolution wave-tide-circulation coupled model using the tropical Pacific TAO buoy observations

The long-term prediction of the oil-contaminated water from the Sanchi collision in the East China Sea

Spatiotemporal evolution of the chlorophyll a trend in the North Atlantic Ocean

Link between the Barents Oscillation and recent boreal winter cooling over the Asian midlatitudes

Modeling of suspended sediment concentrations under combined wave-current flow over rippled bed

Development of a regional ocean–atmosphere‐wave coupled model and its preliminary evaluation over the CORDEX East Asia domain

Effect of increasing Arctic river runoff on the Atlantic meridional overturning circulation: a model study

Seasonal variation of the global mixed layer depth: comparison between Argo data and FIO-ESM

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