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Interactions among the Phenological Events of Winter Wheat in the North China Plain-Based on Field Data and Improved MODIS Estimation

Wu, Yang, Wang, Shen, Kondoh
2019 Remote Sensing  
In this study, we investigated the interaction among the phenologicalevents of winter wheat in the North China Plain (NCP) using both field and satellite data.Considering the large discrepancies between  ...  the existing satellite estimation and fieldmeasurements of winter wheat phenology, we first improved the MODIS-based estimation ofgreen-up date (GUD), heading date (HD), and maturity date (MD) through  ...  Acknowledgments: The authors are thankful to Zhiyan Liu, Yuki Sofue, and Mengyu Li for their help and advice on the data processing.  ... 
doi:10.3390/rs11242976 fatcat:dkhoaokcmbdtvn4q4ocxu5umai

Crop Phenology Detection Using High Spatio-Temporal Resolution Data Fused from SPOT5 and MODIS Products

Yang Zheng, Bingfang Wu, Miao Zhang, Hongwei Zeng
2016 Sensors  
Singha et al. have extracted the phenology of rice in India based on the high spatio-temporal resolution data blended from China's Environmental Satellite (HJ-1A/B) and MODIS data [24] .  ...  data combining SPOT5-with STARFM-predicted images suitable for detecting crop phenology changes in a typical region with high fragmented farmland in the North China Plain (NCP)?  ...  Bingfang Wu conceived of the experiments and was responsible for the research analysis. Miao Zhang collected and pre-processed the original data.  ... 
doi:10.3390/s16122099 pmid:27973404 pmcid:PMC5191079 fatcat:a6y74da7nzaznnvx4utzsy36ua

The Role of Earth Observation in Achieving Sustainable Agricultural Production in Arid and Semi-Arid Regions of the World

Sarchil Hama Qader, Jadu Dash, Victor A. Alegana, Nabaz R. Khwarahm, Andrew J. Tatem, Peter M. Atkinson
2021 Remote Sensing  
This paper, firstly, describes some of the important characteristics of agriculture in ASA regions that require monitoring to improve their management.  ...  Thirdly, it illustrates the challenges of employing freely available RS data for mapping and monitoring crop area, crop status and forecasting crop yield in these regions.  ...  R 2 = 0.875 [158] 48 China, Huaibei Plain Winter wheat SPOT-VEGETATION Regression tree R 2 = 0.93 [159] 49 China, Baizhuang town of Anyang county Winter wheat SPOT-5 image/10 m Linear function  ... 
doi:10.3390/rs13173382 fatcat:gva463nkdjbark4odzswvqg7l4

Joint Assimilation of Leaf Area Index and Soil Moisture from Sentinel-1 and Sentinel-2 Data into the WOFOST Model for Winter Wheat Yield Estimation

Haizhu Pan, Zhongxin Chen, de Wit Allard, Jianqiang Ren
2019 Sensors  
, China, during the 2016–2017 winter wheat growing season.  ...  The open-loop wheat yield estimation, independent assimilations of LAI and SM, and a joint assimilation of LAI + SM were tested and validated using field measurement observation in the city of Hengshui  ...  Acknowledgments: I wish to thank the teams of Amy L. Kaleita of Iowa State University for their support and contributions to the successful cooperation.  ... 
doi:10.3390/s19143161 fatcat:bnlxe64l5fa7hiq5ynjajrotuu

Prediction of Winter Wheat Yield Based on Multi-Source Data and Machine Learning in China

Han, Zhang, Cao, Luo, Zhang, Li, Zhang
2020 Remote Sensing  
Wheat is one of the main crops in China, and crop yield prediction is important for regional trade and national food security.  ...  Firstly we developed a modeling framework to integrate climate data, remote sensing data and soil data to predict winter wheat yield based on the Google Earth Engine (GEE) platform.  ...  The eastern part (Zone III), as the main planting areas for winter wheat, is located in the North China Plain, with an average annual temperature of 16 • C and an annual rainfall of 800 mm.  ... 
doi:10.3390/rs12020236 fatcat:qh6biw5hhbhidfp5ipskzh4rem

Evaluation and Comparison of Random Forest and A-LSTM Networks for Large-scale Winter Wheat Identification

Tianle He, Chuanjie Xie, Qingsheng Liu, Shiying Guan, Gaohuan Liu
2019 Remote Sensing  
remote sensing (RS) images for large-scale winter wheat identification in Huanghuaihai Region (North-Central China).  ...  We used a time series of Moderate Resolution Imaging Spectroradiometer (MODIS) images over one growing season and the corresponding winter wheat distribution map for the experiments.  ...  Acknowledgments: We thank the Chinese Academy of Agricultural Sciences for providing the winter wheat distribution map and growing season data for 2017-2018.  ... 
doi:10.3390/rs11141665 fatcat:tih32y6d5rbo7gkmj6ijznkrda

Improvement of the irrigation scheme in the ORCHIDEE land surface model and impacts of irrigation on regional water budgets over China

Z. Yin, X.H. Wang, C. Otté, F. Zhou, M. Guimberteau, J. Polcher, S.S. Peng, S.L. Piao, L. Li, Y. Bo, X.L. Chen, X.D. Zhou (+2 others)
2020 Journal of Advances in Modeling Earth Systems  
In this study, a new irrigation module, including flood and paddy irrigation technologies, was developed in the ORCHIDEE-CROP land surface model which describes crop phenology and growth in order to estimate  ...  Results showed that the estimated irrigation water withdrawal ( W ) based on IR and FI scenarios bracket statistical W with fair spatial agreements ( r = 0 . 68 ± 0 . 07 ; p < 0 . 01 ).  ...  This study was supported by the National Natural Science Foundation of China (NSFC) (Grant 41561134016) and by the CHINA-TREND-STREAM French national project (Agence Nationale de la Recherche (ANR)  ... 
doi:10.1029/2019ms001770 pmid:32714492 pmcid:PMC7375161 fatcat:p43cgddtjrcuhjapmm42j3ue7a

Impacts of Land Cover and Seasonal Variation on Maximum Air Temperature Estimation Using MODIS Imagery

Yulin Cai, Gang Chen, Yali Wang, Li Yang
2017 Remote Sensing  
For impervious surfaces, the challenge of capturing the high spatial heterogeneity in urban settings using the low-resolution MODIS data made Tamax estimation a difficult task, which was especially true  ...  This study aims to advance our understanding of the roles of land cover and seasonal variation in the estimation of Tamax using the MODIS (Moderate Resolution Imaging Spectroradiometer) LST product.  ...  of China (#41471331, and #41601408), and the scholarship of Shandong Provincial Education Association for International Exchanges.  ... 
doi:10.3390/rs9030233 fatcat:ywrk73ccbnb6zjkathejhij2gq

Spatial and temporal patterns of CO2and CH4fluxes in China's croplands in response to multifactor environmental changes

Wei Ren, Hanqin Tian, Xiaofeng Xu, Mingliang Liu, Chaoqun Lu, Guangsheng Chen, Jerry Melillo, John Reilly, Jiyuan Liu
2011 Tellus: Series B, Chemical and Physical Meteorology  
A B S T R A C T The spatial and temporal patterns of CO 2 and CH 4 fluxes in China's croplands were investigated and attributed to multifactor environmental changes using the agricultural module of the  ...  Our further analysis indicated that nitrogen fertilizer application accounted for 60% of total national carbon uptake in cropland, whereas changes in paddy field areas mainly determined the variability  ...  This study has been supported by NASA Land Cover and Land Use Change Program (NNX08AL73G), NASA Interdisciplinary Science Program (NNG04GM39C), and the National Basic Research Program of China (No.2010CB950900  ... 
doi:10.3402/tellusb.v63i2.16201 fatcat:vadpxhto6zfq3exx5tv6mycvlq

Spatial and temporal patterns of CO2 and CH4 fluxes in China's croplands in response to multifactor environmental changes

Wei Ren, Hanqin Tian, Xiaofeng Xu, Mingliang Liu, Chaoqun Lu, Guangsheng Chen, Jerry Melillo, John Reilly, Jiyuan Liu
2011 Tellus: Series B, Chemical and Physical Meteorology  
A B S T R A C T The spatial and temporal patterns of CO 2 and CH 4 fluxes in China's croplands were investigated and attributed to multifactor environmental changes using the agricultural module of the  ...  Our further analysis indicated that nitrogen fertilizer application accounted for 60% of total national carbon uptake in cropland, whereas changes in paddy field areas mainly determined the variability  ...  This study has been supported by NASA Land Cover and Land Use Change Program (NNX08AL73G), NASA Interdisciplinary Science Program (NNG04GM39C), and the National Basic Research Program of China (No.2010CB950900  ... 
doi:10.1111/j.1600-0889.2010.00522.x fatcat:36ybkp63pvhgzglri56hraws5e

Remote sensing-based global crop monitoring: experiences with China's CropWatch system

Bingfang Wu, Jihua Meng, Qiangzi Li, Nana Yan, Xin Du, Miao Zhang
2013 International Journal of Digital Earth  
Monitoring the production of main agricultural crops is important to predict and prepare for disruptions in food supply and fluctuations in global crop market prices.  ...  CropWatch data processing is highly automated and the resulting products provide new kinds of inputs for food security assessments.  ...  of the anonymous reviewers, which helped to improve the quality of this paper.  ... 
doi:10.1080/17538947.2013.821185 fatcat:af3urwxvyfgtpnceuzs24qv7ai

Linkages between Rainfed Cereal Production and Agricultural Drought through Remote Sensing Indices and a Land Data Assimilation System: A Case Study in Morocco

El houssaine Bouras, Lionel Jarlan, Salah Er-Raki, Clément Albergel, Bastien Richard, Riad Balaghi, Saïd Khabba
2020 Remote Sensing  
By integrating the indices on the main phenological stages of wheat using a dynamic threshold approach instead of the monthly time scale, the correlation between indices and yield increased by up to 14%  ...  This study opens perspectives for the development of drought early warning systems in Morocco and over North Africa, as well as for seasonal crop yield forecasting.  ...  This wheat is cultivated both in rainfed and irrigated fields, depending on access to water supply and climate conditions.  ... 
doi:10.3390/rs12244018 fatcat:n3ftbwix2faedpfvqsesoxh4oi

Recent Applications of Landsat 8/OLI and Sentinel-2/MSI for Land Use and Land Cover Mapping: A Systematic Review

Michel E. D. Chaves, Michelle C. A. Picoli, Ieda D. Sanches
2020 Remote Sensing  
Summarizing peer-reviewed papers can guide the scientific community to the use of L8/OLI and S2/MSI data, which enable detailed knowledge on LULC mapping and change detection in different landscapes, especially  ...  However, the results of their applications have not yet been synthesized in order to provide coherent guidance on the effect of their applications in different classification processes, as well as to identify  ...  Acknowledgments: The authors would like to acknowledge the National Institute for Space Research (INPE), the Coordination for the Improvement of Higher Education Personnel (CAPES), and the Brazil Data  ... 
doi:10.3390/rs12183062 doaj:b5d54af4fbbe45518fa7c16a3fe25aa7 fatcat:l5bkzuvjx5eu3e5zt4j2h6cgei

Feature Fusion Approach for Temporal Land Use Mapping in Complex Agricultural Areas

Lijun Wang, Jiayao Wang, Fen Qin
2021 Remote Sensing  
Meanwhile, the cultivated land mask improved the overall accuracy for multicategories (seven to eight and nine to 13 during winter and summer, respectively) in each subregion, with average ranges in the  ...  Based on the time series of Normalized Difference Water Index (NDWI) and Vegetation Index (NDVI), a dynamic decision tree for forests, cultivation, urban, and water was created in Google Earth Engine (  ...  Acknowledgments: We sincerely thank the anonymous reviewers for their constructive comments and insightful suggestions that greatly improved the quality of this manuscript.  ... 
doi:10.3390/rs13132517 fatcat:p6b6vinuyvaunapvenb4rs5fse

Climate and land use controls over terrestrial water use efficiency in monsoon Asia

Hanqin Tian, Chaoqun Lu, Guangsheng Chen, Xiaofeng Xu, Mingliang Liu, Wei Ren, Bo Tao, Ge Sun, Shufen Pan, Jiyuan Liu
2011 Ecohydrology  
China, and large areas of India.  ...  Changes in WUE showed substantial spatial variation, varying from the largest decrease of over 50% in northwestern China and some areas of Mongolia to the largest increase of over 30% in western, southern  ...  of China (No.2010CB950900).  ... 
doi:10.1002/eco.216 fatcat:efdtqpctq5gg3axsuv7lkcuuli
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