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| 1 | Characteristics of atmospheric aerosol optical depth variation over China in recent 30 years显示文摘This note retrieves the annual and monthly mean 0.75 urn aerosol optical depth (AOD) by using the daily direct solar radiation and sunshine duration data of 47 solar stations from 1961 to 1990. The characteristic of AOD variation over China in recent 30 years was analyzed. The results indicate that AOD increased obviously over China from 1961 to 1990. AOD increased most rapidly over the east part of Southwest China, the middle-and-lower reaches of the Yangtze River and the Tibetan Plateau. The increasing trend of AOD is also relatively distinct in North China, the Shandong Peninsula, east part of Qinghai Province, and coastal areas of Guangdong Province. However, in most parts of Northwest China and Northeast China, the increase of AOD is less significant, while in the west part of the Xinjiang Uygur Autonomous Region and some parts of Yunnan Province, AOD shows decreasing tendency. Generally, AOD reaches its maximum in spring and the minimum appears in summer. As to the linear trend, the maximum | LUO Yunfeng LU Daren HE Qing LI Weiliang ZHOU Xiuji | 2000 | Chinese Science Bulletin2000，45，14： | 6 |
| 2 | The Impact of Surface Properties on Downward Surface Shortwave Radiation over the Tibetan Plateau显示文摘The complexity of inhomogeneous surface–atmosphere radiation transfer is one of the foremost problems in the field of atmospheric physics and atmospheric radiation. To date, the influence of surface properties on shortwave radiation has not been well studied. The daily downward surface shortwave radiation of the latest FLASHFlux/CERES(Fast Longwave And Shortwave Fluxes Time Interpolated and Spatially Averaged/Clouds and the Earth's Radiant Energy System) satellite data was evaluated against in situ data. The comparison indicated that the differences between the two data sets are unstable and large over rugged terrain compared with relatively flat terrain, and the mean absolute error of the satellite products reaches 31.4 W m-2(12.3%) over rugged terrain. Based on the SSF(single satellite footprint)/CERES product, the influence of surface properties on the distribution of downward surface shortwave radiation(DSSR) was analyzed. The influence of surface properties on DSSR over the Tibetan Plateau is about twice as large as that in two other regions located at the same latitude(eastern China–western Pacific and subtropical North Pacific). A simulation was carried out with the help of the I3RC(International Intercomparision of Three-Dimensional Radiation Code) Monte Carlo 3D radiative transfer community model. The results showed that DSSR increases as surface albedo increases. Moreover, the impact of surface albedo on DSSR is larger if the spatial distribution of clouds is more non-uniform. It is hoped that these results will contribute to the development of 3D radiative transfer models and the improvement of satellite inversion algorithms. | WANG Leidi L Daren HE Qing | 2015 | Advances in Atmospheric Sciences2015，32，6： | 2 |
| 3 | Statistics and developing model of Chinese skyway network 显示文摘 | Xiangyang Zhu Daren He | 2004 | International Journal of Modem Physics B2004，18，： | 1 |
| 4 | A study on some urban bus transport networks显示文摘 | Chen Yongzhou Li Nan He Daren | 2007 | Physica A2007，376，： | 1 |
| 5 | Multistability and Loops-Coupled Hysteresis: Flight -Test Analysis onError Detection of Inlet Start/ Unstart 显示文摘 | Tao Cui Xuegang He Daren Yu | 2012 | Journal of Propulsion and Power2012，28，3： | 1 |
| 6 | Effect of very fast chilling and aging time on ultra-structure and meat quality characteristics of Chinese Yellow cattle M. Longissimus lumborum显示文摘 | Ke Li Yimin Zhang Yanwei Mao Daren Cornforth Pengcheng Dong Renhuan Wang He Zhu Xin Luo | 2012 | Meat Science2012，，4： | 1 |
| 7 | Studies on the photo-tactic behavior of round scad and chub mackeprel 显示文摘 | YU Wenzhao HE Daren ZHEN YUSHUI | 1982 | Ac taOceanologica Sinica1982，1，2： | 1 |
| 8 | A study on some urban bus transport networks 显示文摘 | Chen Yongzhou Li Nan He Daren | 2007 | Physica A2007，376，： | 1 |
| 9 | Supercritical Characteristics of a Relaxation Oscillator显示文摘A relaxation oscillator can be described by two maps:one circle and one inverse circle.The order of map depends on the function form of the modulation signal.Supercritical behaviors of the oscillator were studied experimentally and numerically.Two scaling laws S(f)∝f^(-δ) and τ∝|f-f_(c)|^(-γ) were verified.Both the scaling exponents δ and γ2 increase when the order m getting larger. | JI Feng LIU Hui YANG Zhenghai SHI Kangjie HE Daren WANG Dalcai | 1991 | Chinese Physics Letters1991，8，1： | 0 |
| 10 | FRUIT NUTRITIVE FACTOR NETWORK显示文摘As an research example of the widely existing cooperation-competition systems,the authorspresent an empirical investigation on a fruit nutritive factor network.It is described by a node-weightedbipartite graph.The fruit nutritive factors are defined as the nodes,and two nodes are connected by anedge if at least one fruit contains these two nutritive factors.The fruits are defined as the collaborationacts.The node-weight W_(nt),which signifies the 'importance degree' of each actor node,is defined as thecont ent of a nutritive factor in a fruit.The empirical investigation results show some unique features.The node-weight distributions take so-called 'shifted power law' function forms,but the act-weightdistribution takes a normal form.The degree and act-degree distributions show impulsive-spectrumlike forms.These observations may be helpful for the study of fruits.The network description methodproposed in this article may be universal for a kind of cooperation-competition systems. | Daren HE | 2009 | Journal of Systems Science & Complexity2009，22，1： | 0 |
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