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| 1 | Evaluation of Latest TMPA and CMORPH Precipitation Products with Independent Rain Gauge Observation Networks over High-latitude and Low-latitude Basins in China显示文摘The Tropical Rainfall Measuring Mission(TRMM) Multi-satellite Precipitation Analysis(TMPA) and National Oceanic and Atmospheric Administration(NOAA) Climate Prediction Center(CPC) morphing technique(CMORPH) are two important multi-satellite precipitation products in TRMM-era and perform important functions in GPM-era. Both TMPA and CMORPH systems simultaneously upgraded their retrieval algorithms and released their latest version of precipitation data in 2013. In this study, the latest TMPA and CMORPH products(i.e., Version-7 real-time TMPA(T-rt) and gauge-adjusted TMPA(T-adj), and Version-1.0 real-time CMORPH(C-rt) and Version-1.0 gauge-adjusted CMORPH(C-adj)) are evaluated and intercompared by using independent rain gauge observations for a 12-year(2000–2011) period over two typical basins in China with different geographical and climate conditions. Results indicate that all TMPA and CMORPH products tend to overestimate precipitation for the high-latitude semiarid Laoha River Basin and underestimate it for the low-latitude humid Mishui Basin. Overall, the satellite precipitation products exhibit superior performance over Mishui Basin than that over Laoha River Basin. The C-adj presents the best performance over the high-latitude Laoha River Basin, whereas T-adj showed the best performance over the low-latitude Mishui Basin. The two gauge-adjusted products demonstrate potential in water resource management. However, the accuracy of two real-time satellite precipitation products demonstrates large variability in the two validation basins. The C-rt reaches a similar accuracy level with the gauge-adjusted satellite precipitation products in the high-latitude Laoha River Basin, and T-rt performs well in the low-latitude Mishui Basin. The study also reveals that all satellite precipitation products obviously overestimate light rain amounts and events over Laoha River Basin, whereas they underestimate the amount and events over Mishui Basin. The findings of the precision characteristics associated with the latest TMPA and CMORPH precipitation products at different basins will offer satellite precipitation users an enhanced understanding of the applicability of the latest TMPA and CMORPH for water resource management, hydrologic process simulation, and hydrometeorological disaster prediction in other similar regions in China. The findings will also be useful for IMERG algorithm development and update in GPM-era. | JIANG Shanhu REN Liliang YONG Bin HONG Yang YANG Xiaoli YUAN Fei | 2016 | Chinese Geographical Science2016,26,4: | 10 |
| 2 | Hydrological response to land use and land cover changes in a sub-watershed of West Liaohe River Basin,China显示文摘In recent years, the streamflow of the Laohahe Basin in China showed a dramatic decrease during the rainy season as a result of climate change and/or human activities. The objective of this work was to document significant streamflow changes caused by land use and land cover(LULC) changes and to quantify the impacts of the observed changes in Laohahe Basin. In the study area, the observed streamflow has been influenced by LULC changes, dams, and irrigation from rivers, industry, livestock and human consumption. Most importantly, the growth of population and gross domestic product(GDP) accompanied by the growth in industrial and agricultural activities, which led to LULC changes with increased residential land and cropland and decreased grassland since 2000s. Statistical methods and Variable Infiltration Capacity(VIC) hydrological model were used to estimate the effects of climate change and LULC changes on streamflow and evaportranspiration(ET). First, the streamflow data of the study area were divided into three sub-periods according to the Pettitt test. The hydrological process was then simulated by VIC model from 1964 to 2009. Furthermore, we compared the simulated results based on land use scenarios in 1989, 1999 and 2007, respectively for exploring the effect of LULC changes on the spatio-temporal distribution of streamflow and ET in the Laohahe Basin. The results suggest that, accompanied with climate change, the LULC changes and human water consumption appeared to be the most likely factors contributing to the significant reduction in streamflow in the Laohahe Basin by 64% from1999 to 2009. | XiaoLi YANG LiLiang REN Yi LIU DongLai JIAO ShanHu JIANG | 2014 | Journal of Arid Land2014,6,6: | 3 |
| 3 | Preparation of microstructure-controllable superhydrophobic polytetrafluoroethylene porous thin film by vacuum thermal-evaporation显示文摘 | Na YI Shanhu BAO Huaijuan ZHOU Yunchuan XIN Aibin HUANG Yining MA Rong LI PingJIN | 2016 | Frontiers of Materials Science2016,10,3: | 2 |
| 4 | Effect of surface manganese oxide species on soot catalytic combustion of Ce-Mn-O catalyst显示文摘Constructing cerium and manganese bimetallic catalysts with excellent catalytic performance for soot combustion is the research frontier at present.In order to find out the key factors for catalytic soot combustion of Ce-Mn-O catalysts,a series of Ce-Mn-O catalysts with different Ce/Mn proportions were prepared by co-precipitation method.The activity test results show that it increases first and then decreases with the increase of Mn content.The best catalytic activity is obtained for Ce_(0.64)Mn_(0.36) catalyst,which shows a maximum rate temperature(T_(m)) at 306℃ for CO_(2) production in TPO curve.Compared with non-catalytic soot combustion,the T_(m) decreases by mo re than 270℃.Syste matical characte rization results suggest that when the adsorbed surface oxygen,lattice oxygen,specific surface area and total reduction amount of the catalysts reach a certain value,the key factors leading to the difference of catalytic activity become the readily reducible and highly dispersed surface manganese oxide species and contact performance of the external surface.The surface manganese oxide species is beneficial to improving the low-temperature reducibility of catalysts and the porous surface is conducive to the contact between catalyst and soot.Furthermore,for the soot combustion reaction containing only O_(2),the promoting effect of Mn^(4+)is not obvious. | Yi Zhu Quan Wang Li Lan Shanhu Chen Jingjing Zhang | 2022 | Journal of Rare Earths2022,40,8: | 2 |
| 5 | High extraction efficiency of spontaneous emission from slabs of pho- tonic crystals 显示文摘 | Shanhu 1 F Vlleneuve P Ierre R eg al | 1997 | PtLysieal Rewieze Letters1997,78,17: | 1 |
| 6 | An effective DOA method via virtual array transformation显示文摘 | Wang Yongliang Chen Hui Wan Shanhu | 2001 | Science in China2001,44,1: | 1 |
| 7 | Protein extraction from heat-stabilized defatted rice bran:Ⅱ:The role of amylase,celluclast,and viscozyme显示文摘 | TANG Shanhu HETTIARACHCHY N S ESWARANANDAM S | | 0,,02: | 1 |
| 8 | Optical switching property of Pd-capped Mg-Ni alloy thin films prepared by magnetron sputtering 显示文摘 | Kazuki Yoshimura Shanhu Bao Yasusei Yamada | 2006 | Vacuum2006,80,7: | 1 |
| 9 | BFSIFT: a novel method to find feature matches for SAR image registration 显示文摘 | WANG Shanhu YOU Hongjian FU Kun | 2012 | 1EEE Geoscience and Remote Sensing Letters2012,9,4: | 1 |
| 10 | BFSIFT: A Novel Melhod to Find Feature Matches for SAR Image Registration显示文摘 | WANG Shanhu YOU Hongjian FU Kun | 2012 | IEEE Geoscience and Remote Sensing Letters2012,9,4: | 1 |
| 11 | An effective DOA method via virtual array transformation 显示文摘 | WANG Yongliang CHEN Hui WAN Shanhu | 2001 | Science in China2001,44,1: | 1 |
| 12 | Milk fat chemical composition of yak breeds in China显示文摘 | Shenghua He Ying Ma Jiaqi Wang Qiming Li Xin Yang Shanhu Tang Haimei Li | 2010 | Journal of Food Composition and Analysis2010,,2: | 1 |
| 13 | Comprehensive evaluation of multi-satellite precipitation products with a dense rain gauge network and optimally merging their simulated hydrological flows using the bayesian model averaging method显示文摘 | Jiang Shanhu Ren Liliang Hong Yang | 2012 | Journal of Hydrology2012,,: | 1 |
| 14 | Protein Extraction from HeatStabilized Defatted Rice Bran l Ogtsucak Oricessubg and Enzyme Treatments显示文摘 | Shanhu tang Navam S | 2002 | Journal of Agricultural and Food Chemistry2002,50,: | 1 |
| 15 | BFSIFT : A Novel Method to Find Feature Matches for SAR Image Registration 显示文摘 | Wang Shanhu You Hongjian Fu Kun | 2012 | Geoscience and Remote Sensing Letters2012,9,4: | 1 |
| 16 | Evaluation and Hydrological Application of CMADS Reanalysis Precipitation Data against Four Satellite Precipitation Products in the Upper Huaihe River Basin, China显示文摘Satellite-and reanalysis-based precipitation products are important data source for precipitation, particularly in areas with a sparse gauge network. Here, five open-access precipitation products, including the newly released China Meteorological Assimilation Driving Datasets for the Soil and Water Assessment Tool(SWAT) model(CMADS)reanalysis dataset and four widely used bias-adjusted satellite precipitation products [SPPs;i.e., Tropical Rainfall Measuring Mission(TRMM) Multisatellite Precipitation Analysis 3B42 Version 7(TMPA 3B42V7), Climate Prediction Center(CPC) morphing technique satellite–gauge blended product(CMORPH-BLD), Climate Hazards Group Infrared Precipitation with Station Data(CHIRPS), and Precipitation Estimation from Remotely Sensed Information using Artificial Neural Networks–Climate Data Record(PERSIANN-CDR)], were assessed. These products were first compared with the gauge observed data collected for the upper Huaihe River basin, and then were used as forcing data for streamflow simulation by the Xin’anjiang(XAJ) hydrological model under two scenarios with different calibration procedures. The performance of CMADS precipitation product for the Chinese mainland was also assessed. The results show that:(1) for the statistical assessment, CMADS and CMORPH-BLD perform the best, followed by TMPA 3B42V7, CHIRPS, and PERSIANN-CDR, among which the correlation coefficient(CC) and rootmean-square error(RMSE) values of CMADS are optimal, although it exhibits certain significant negative relative bias(BIAS;-22.72%);(2) CMORPH-BLD performs the best in capturing and detecting rainfall events, while CMADS tends to underestimate heavy and torrential precipitation;(3) for streamflow simulation, the performance of using CMADS as input is very good, with the highest Nash–Sutcliffe efficiency(NSE) values(0.85 and 0.75 for calibration period and validation period, respectively);and(4) CMADS exhibits high accuracy in eastern China while with significant negative BIAS, and the performance declines from southeast to northwest. The statistical and hydrological evaluations show that CMADS and CMORPH-BLD have high potential for observing precipitation. As high negative BIAS values showed up in CMADS evaluation, further study on the error sources from original data and calibration algorithms is necessary. This study can serve as a reference for selecting precipitation products in datascarce regions with similar climates and topography in the Global Precipitation Measurement(GPM) era. | Shanhu JIANG Ruolan LIU Liliang REN Menghao WANG Junchao SHI Feng ZHONG Zheng DUAN | 2020 | Journal of Meteorological Research2020,34,5: | 1 |
| 17 | Quantifying the Effects of Climate Variability and Human Activitieson Runoff from the Laohahe Basin in Northern China UsingThree Different Methods显示文摘 | JIANG Shanhu REN Liliang YONG Bin | 2011 | Hydorlogical Processes2011,,25: | 1 |
| 18 | Quantif-ying the Effects of Climate Variability and HumanActivities on Runoff from the Laohahe Basin inNorthern China Using Three Different Methods显示文摘 | Jiang Shanhu Ren Liliang Yong Bin | 2011 | Hydorlogical Processes2011,25,: | 1 |
| 19 | An effective DOA method via virtual array transformation显示文摘 | WANG Yongliang CHEN Hui WAN Shanhu | 2001 | Science in China2001,44,1: | 1 |
| 20 | BFSIFT: A Novel Method to Find Feature Matches for SAR Im- age Registration显示文摘 | Wang Shanhu You Hong:ian Fu Kun | 2012 | IEEE Geoscience and Remote Sensing Letters2012,9,4: | 1 |