Jia Wang

NOAA Great Lakes Environmental Research Laboratory

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Ayumi Fujisaki‐Manome

University of Michigan–Ann Arbor

Xuezhi Bai

Hohai University

Haoguo Hu

NOAA Great Lakes Environmental Research Laboratory

James Kessler

NOAA Great Lakes Environmental Research Laboratory

Meibing Jin

University of Alaska Fairbanks

Moto Ikeda

Hokkaido University

Anne H. Clites

NOAA Great Lakes Environmental Research Laboratory

Kohei Mizobata

Tokyo University of Marine Science and Technology

Philip Chu

NOAA Great Lakes Environmental Research Laboratory

Brent M. Lofgren

NOAA Great Lakes Environmental Research Laboratory

Cooperative Institutions

Chinese Academy of Sciences

136

University of Chinese Academy of Sciences

NOAA Great Lakes Environmental Research Laboratory

National Oceanic and Atmospheric Administration

University of Michigan–Ann Arbor

University of Toronto

Deleted Institution

University of Alaska Fairbanks

University of Calgary

Ministry of Natural Resources

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Winter Arctic Oscillation, Siberian High and East Asian Winter Monsoon

Geophysical Research Letters (2002)

Bingyi Wu Jia Wang

In this note, we investigate the impacts of the winter Arctic Oscillation (AO) and Siberian High (SH) on the East Asia winter monsoon (EAWM). It is found that the winter AO and the SH are relatively independent of each other in influencing the EAWM. The winter AO influences directly surface air temperature (SAT), sea level pressure (SLP) and the East Asian Trough at 500 hPa over the region northwards of 35°N in East Asia rather than through its impact on the SH. Compared with influences of the winter AO, the SH shows more direct and significant influences on the EAWM, particularly on SLP and northerly wind along the East Asian Coast. Impacts of the SH on the SAT occur primarily in the southwards of 50°N over East Asia, the northwestern Pacific and the South China Sea, because the AO suppresses the SH's influences in high latitudes of Asian Continent and the some subarctic regions.

Siberian High

Arctic oscillation

Subarctic climate

East Asian Monsoon

China sea

Trough (economics)

10.1029/2002gl015373

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Citations (549)

Extreme Climate Anomalies Enhancing Cyanobacterial Blooms in Eutrophic Lake Taihu, China

Water Resources Research (2021)

Boqiang Qin Jianming Deng Kun� Shi Jia Wang Justin D. Brookes

Abstract Climate warming in combination with nutrient enrichment can greatly promote phytoplankton proliferation and blooms in eutrophic waters. Lake Taihu, China, is a large, shallow and eutrophic system. Since 2007, this lake has experienced extensive nutrient input reductions aimed at controlling cyanobacterial blooms. However, intense cyanobacterial blooms have persisted through 2017 with a record‐setting bloom occurring in May 2017. Causal analysis suggested that this bloom was sygenerically driven by high external loading from flooding in 2016 in the Taihu catchment and a notable warmer winter during 2016/2017. High precipitation during 2016 was associated with a strong 2015/2016 El Niño in combination with the joint effects of Atlantic Multi‐decadal Oscillation (AMO) and Pacific Decadal Oscillation (PDO), while persistent warmth during 2016/2017 was strongly related to warm phases of AMO and PDO. The 2017 blooms elevated water column pH and led to dissolved oxygen depletion near the sediment, both of which mobilized phosphorus from the sediment to overlying water, further promoting cyanobacterial blooms. Our finding indicates that regional climate anomalies exacerbated eutrophication via a positive feedback mechanism, by intensifying internal nutrient cycling and aggravating cyanobacterial blooms. In light of global expansion of eutrophication and blooms, especially in large, shallow and eutrophic lakes, these regional effects of climate anomalies are nested within larger scale global warming predicted to continue in the foreseeable future.

Bloom

10.1029/2020wr029371

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Citations (107)

Possible impacts of winter Arctic Oscillation on Siberian high, the East Asian winter monsoon and sea–ice extent

Advances in Atmospheric Sciences (2002)

Bingyi Wu Jia Wang

Siberian High

Arctic oscillation

Arctic dipole anomaly

10.1007/s00376-002-0024-x

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Citations (167)

Modeled ice thickness in Lake Erie with different parameterizations of the ice strength

Japan Geoscience Union (2017)

Ayumi Fujisaki‐Manome Jia Wang Eric J. Anderson

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Do Economic Development Incentives Crowd Out Public Expenditures in U.S. States?

The B E Journal of Economic Analysis & Policy (2015)

Jia Wang

Abstract This paper investigates whether economic development incentives (EDI) crowd out public expenditures in U.S. states. Using EDI data from a new database, this paper employs a two-way fixed effect panel framework and generalized method of moments (GMM) approach to account for dynamic features associated with public expenditures. Potential endogeneity of policy variables and problems with unbalanced panels are also addressed. Results show relatively little effect of incentives spending on most public goods expenditures contemporaneously, with negative repercussions beginning to appear in year one. Findings of this paper carry practical importance for policymakers concerning the efficacy of incentives.

Endogeneity

Crowding out

Instrumental variable

10.1515/bejeap-2015-0042

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Citations (18)

General Circulation and Transport in the Pan Arctic and North Atlantic Ocean

Proceedings of the International Conference on Port and Ocean Engineering Under Arctic Conditions (2001)

Jia Wang Meibing Jin François J. Saucier Moto Ikeda

A coupled ice-ocean model was applied to compute the annual mean circulation of the pan Arctic and North Atlantic Ocean under daily wind and other atmospheric forcings of NCEP/NCAR data of 1990, restored to the surface monthly climatological temperature and salinity (NODC data). The simulated transport of Labrador Sea is about 53 Sv, consistent with historical estimates. The western North Atlantic is dominated by the cyclonic Labrador Current system, while the eastern North Atlantic by anticyclonic gyres. Greenland Basin has a cyclonic gyre of 30 Sv, while the Norweigian Basin has a cyclonic gyre of 24 Sv. In Fram Strait, the model simulated an outflow from the Greenland side (∼ 5.5 Sv) and inflow from the eastern side (∼ 4 Sv). The simulated temperature and salinity indicate the intrusion of the Atlantic Water and the outflow of the Arctic surface water. In the Arctic Basin, the simulated total transport is cyclonic in both the Eurasian Basin (∼ 20Sv) and the Canadian Basin (∼ 25Sv)

Arctic dipole anomaly

Outflow

Anticyclone

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Draw Distinct Relation Between Macro Adjustment-control and Micro Regulation

Journal of National School of Administration (2002)

Jia Wang

after joining WTO, under the guidance of the rules of WTO, China draws a clear distinct relation between macro adjustment-control and micro regulation, corrects tendency of valuing macro adjustment-control and despising micro regulation, concentrates and intensifies macro adjustment-control, strengthens micro regulation, establishes efficient and vertical government management both ensuring central government authority and bringing initiative of the local governments, helps combine difference and complement of both, corrects market failure, effectively protects domestic industry, establishes nationwide unity market order, promotes stability development of economy and society.

Macro

Complement

Government regulation

Micro level

Macro level

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末次冰消期冲绳海槽中部表层和温跃层海水温度演化的脱耦现象

Earth Science-Journal of China University of Geosciences (2022)

Fang Qian Fengming Chang Hanjie Sun Tiegang Li Anchun Li

摘要: 解读末次冰消期全球水文气候演变过程对于理解气候系统对内外强迫的响应具有重要意义. 以冲绳海槽中部OKI02岩心为材料，通过浮游有孔虫Globigerinodes ruber和Pulleniatina obliquiloculata壳体Mg/Ca比值分别重建了19 ka BP以来海槽中部表层和温跃层海水温度（SST和TWT），结合浮游有孔虫群落组成变化重点恢复了末次冰消期（~18~11.7 ka BP）上层水体温度变化的特征和过程. 结果显示SST在LGM显著偏低，末次冰消期表现为显著的千年尺度变化，清楚地记录了HS1、B/A、YD等快速气候波动事件. 19 ka BP以来重建的TWT整体呈明显的上升趋势，但波动频繁而剧烈，末次冰消期相对较低，未显示显著的千年尺度变化. 对比北半球高纬和热带太平洋的记录发现，末次冰消期冲绳海槽中部SST开始上升的时间基本与前者相当，但明显滞后于热带西太平洋；冰消期其变化模式明显区别于热带西太平洋持续稳定的升温过程，而更类似于北半球高纬区的变化. 与SST明显不同，海槽区温跃层的升温（~18 ka BP）明显早于北半球高纬变暖，却接近于热带西太平洋海表温度开始上升的时间；且TWT的上升和波动方式也更接近于热带太平洋海温的变化模式. 对末次冰消期SST和TWT差异化演变的分析表明，AMOC对中低纬大气环流的影响可能通过东亚冬季风强度的变化控制了海槽区SST的演变，而热带太平洋ENSO过程则可能通过黑潮强度的变化决定了区域TWT的演化. 末次冰消期冲绳海槽中部SST和TWT演化存在明显的脱耦现象，显示了其与高、低纬海洋和气候变化之间的密切联系. 关键词: 冲绳海槽 / 末次冰消期 / 表层及温跃层温度 / 黑潮 / 东亚冬季风 / ENSO / 海洋地质学 /

10.3799/dqkx.2021.114

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A Compact HTS Duplexer for Communication Application

IEEE Transactions on Applied Superconductivity (2009)

Qiang Zhang Yongbo Bian Jin Guo Bin Cui Jia Wang

A compact L-band high temperature superconducting (HTS) microstrip input duplexer for satellite communication application has been developed. The duplexer has two output channels with center frequencies at 1200 and 1250 MHz, respectively. It was fabricated on a single piece of 2-in double-sided YBCO thin film on $\hbox{LaAlO}_{3}$ substrate with a dimension of 26 $\times$ 42 mm. The duplexer consists of a T-junction and two bandpass filters, i.e., a ten-pole filter and an eight-pole filter for the two transmission channels, respectively. Both of the two HTS bandpass filters were specially designed to suppress the second-harmonic spurious passband. Moreover, an HTS bandstop filter is added to the duplexer to improve the out-of-band rejection at a special frequency band. As a result of the preceding special designs, in addition to a very low insertion loss (0.2 dB), considerably sharp band edge (21 dB/MHz), and good voltage standing wave ratio (better than 1.4:1), much deeper out-of-band rejection (more than 75 dB) can be realized in a much wider frequency range, i.e., up to 3 GHz, which is almost three times above the center frequency of the passbands. Although all the elements of the duplexer are integrated within a single-piece YBCO film and the layout is compact, excellent isolation (higher than 80 dB) between the two channels has still been achieved.

Duplexer

Passband

Center frequency

10.1109/tasc.2009.2032301

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Citations (33)

Modeling the effect of invasive quagga mussels on the spring phytoplankton bloom in Lake Michigan

Journal of Great Lakes Research (2015)

Mark D. Rowe Eric J. Anderson Jia Wang Henry A. Vanderploeg

Spring bloom

Stratification (seeds)

Mixed layer

Bloom

10.1016/j.jglr.2014.12.018

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Citations (54)