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Remote sensing-based estimation of rice yields using various models:A critical review

Geo-spatial Information science 2021年第4期24卷 580-603页

作者： Daniel Marc G dela Torre jay Gao Cate Macinnis-Ng school of Environment University of AucklandAucklandNew Zealand school of Biological sciences University of AucklandAucklandNew Zealand

Reliable estimation of region-wide rice yield is vital for food security and agricultural ***-scale models have increased our understanding of rice yield and its estimation under theoretical environmental ***,they offer little infor-mation on spatial variability effects on farm-scale *** sensing(Rs)is a useful tool to upscale yield estimates from farm scales to regional *** research used Rs with rice models for reliable yield *** several countries start to operatio-nalize rice monitoring systems,it is needed to synthesize current literature to identify knowledge gaps,to improve estimation accuracies,and to optimize *** paper critically reviewed significant developments in using geospatial methods,imagery,and quantitative models to estimate rice ***,essential characteristics of rice were discussed as detected by optical and radar sensors,band selection,sensor configuration,spatial resolution,mapping methods,and biophysical variables of rice derivable from Rs ***,various empirical,process-based,and semi-empirical models that used Rs data for spatial estimation of yield were critically assessed-discussing how major types of models,Rs platforms,data assimilation algorithms,canopy state variables,and Rs variables can be integrated for yield ***,to overcome current constraints and to improve accuracies,several possibilities were suggested-adding new modeling modules,using alternative canopy variables,and adopting novel modeling *** rice yields are expected to decrease due to global warming,geospatial rice yield estimation techniques are indispensable tools for climate change *** studies should focus on resolving the current limitations of estimation by precise delineation of rice cultivars,by incorporating dynamic harvesting indices based on climatic drivers,using innovative modeling approaches with machine learning.

关键词： Process-based crop model data assimilation empirical model geospatial applications remote sensing rice yield mapping yield estimation

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A New Guiding Framework for Engaging Diverse Populations in Disaster Risk Reduction: Reach, Relevance, Receptiveness,and Relationships

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International Journal of Disaster Risk science 2018年第4期9卷 507-518页

作者： jay Marlowe ANDreas Neef Cedric Tevaga Cedric Tevaga Counselling Human Services and Social WorkUniversity of AucklandAuckland 1023New Zealand Development studies School of Social SciencesUniversity of AucklandAuckland 1023New Zealand The southern Initiative Auckland CouncilAuckland 1010New Zealand

In urban environments characterized by rich diversity across language, migration status, demographic profiles, and usage of different forms of media, there can be significant challenges to ensuring that particular disaster risk reduction(DRR) communications reach those potentially affected. This article presents a study with 20 Pacific Island community leaders and connectors about their communities' perspectives and anticipated responses to natural hazards in Auckland, New Zealand. Home to the largest population of Pacific people in the world, Auckland provides the basis for understanding the complexities of delivering disaster information across numerous community groups. The rich cultural and linguistic backgrounds of multiple Pacific communities living in this city highlight the need to consider the complexities of disaster messaging related to natural hazards. In particular, the article forwards the importance of incorporating the guiding concepts of reach, relevance, receptiveness, and relationships into a DRR approach with culturally and linguistically diverse groups. These concepts are presented as an embedded guiding framework that can helpfully inform disaster communication.

关键词： Auckland Community resilience Disaster communication Disaster risk reduction New Zealand Pacific Island groups social capital

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Handbook Of Complex Percutaneous Carotid Intervention 1

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丛书名： Contemporary Cardiology

2007年

作者： Jacqueline saw J. Emilio Exaire David s. Lee jay s. Yadav

ebook IsBN:1597450022

ISBN: (数字)9781597450027

ISBN: (纸本)9781588296054;9781493956593

ebook IsBN:1597450022

关键词： Cardiology Neurology Neurosurgery

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Application of a Novel Method for Machine Performance Degradation Assessment Based on Gaussian Mixture Model and Logistic Regression

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Chinese Journal of Mechanical Engineering 2011年第5期24卷 879-884页

作者： LIU Wenbin ZHONG Xin LEE jay LIAO Linxia ZHOU Min Chemical safety Engineering Research Center of Ministry of Education Beijing University of Chemical Technology Beijing 100029 China The First Research Institute of Ministry of Public security Beijing 100048 China National science Foundation Industry/University Cooperative Research Center of Intelligent Maintenance systems University of Cincinnati Cincinnati OH 45221 USA China National Petroleum Corporation Beijing 100007 China

The currently prevalent machine performance degradation assessment techniques involve estimating a machine＇s current condition based upon the recognition of indications of failure features,which entail complete data collected in different ***,failure data are always hard to acquire,thus making those techniques hard to be *** this paper,a novel method which does not need failure history data is *** packet decomposition（WPD） is used to extract features from raw signals,principal component analysis（PCA） is utilized to reduce feature dimensions,and Gaussian mixture model（GMM） is then applied to approximate the feature space ***-channel confidence value（sCV） is calculated by the overlap between GMM of the monitoring condition and that of the normal condition,which can indicate the performance of ***,multi-channel confidence value（MCV）,which can be deemed as the overall performance index of multi-channel,is calculated via logistic regression（LR） and that the task of decision-level sensor fusion is also *** sCV and MCV can serve as the basis on which proactive maintenance measures can be taken,thus preventing machine *** method has been adopted to assess the performance of the turbine of a centrifugal compressor in a factory of Petro-China,and the result shows that it can effectively complete this *** proposed method has engineering significance for machine performance degradation assessment.

关键词： performance degradation assessment Gaussian mixture model logistic regression proactive maintenance sensor fusion

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“How Do We Actually Do Convergence”for Disaster Resilience?Cases from Australia and the United states

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International Journal of Disaster Risk science 2021年第3期12卷 299-311页

作者： shefali Juneja Lakhina Elaina J.sutley jay Wilson Wonder Labs San JoseCA 95128USA Civil Environmental and Architectural EngineeringUniversity of KansasLawrenceKS 66045USA Clackamas County Disaster Management Oregon CityOR 97045USA

In recent years there has been an increasing emphasis on achieving convergence in disaster research,policy,and programs to reduce disaster losses and enhance social ***,there remain considerable gaps in understanding"how do we actually do convergence?"In this article,we present three case studies from across geographies—New south Wales in Australia,and North Carolina and Oregon in the United states;and sectors of work—community,environmental,and urban resilience,to critically examine what convergence entails and how it can enable diverse disciplines,people,and institutions to reduce vulnerability to systemic risks in the twenty-first *** identify key successes,challenges,and barriers to *** build on current discussions around the need for convergence research to be problem-focused and solutions-based,by also considering the need to approach convergence as ethic,method,and *** reflect on how convergence can be approached as an ethic that motivates a higher order alignment on"why"we come together;as a method that foregrounds"how"we come together in inclusive ways;and as an outcome that highlights"what"must be done to successfully translate research findings into the policy and public domains.

关键词： Convergence research Disaster resilience Disaster risk reduction Research ethics

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Effect of pH on Crystal size and Photoluminescence Property of ZnO Nanoparticles Prepared by Chemical Precipitation Method

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Acta Metallurgica sinica(English Letters) 2015年第3期28卷 394-404页

作者： M.jay Chithra M.sathya K.Pushpanathan PG & Research Department of Physics Government Arts College

The effects of pH value on crystal size and optical property of zinc oxide nanoparticles prepared by chemical precipitation method were *** samples have been characterized by means of X-ray diffraction,scanning electron microscopy,ultraviolet-visible spectrometer and photoluminescence *** X-ray diffraction profile,it is found that the particle size of sample increases from 13.8 to 33 nm when the pH value of the solution was increased from 6 to *** study also shows that the particle size increases with pH *** shape of the zinc oxide nanoparticle has been confirmed by the scanning electron microscopy *** recorded ultraviolet-visible spectrum shows excitonic absorption peaks around 381 *** energy gap of the prepared samples has been determined from the ultraviolet-visible absorption spectrum,effective mass model equation and Tauc＇s *** was found that the energy gap of the prepared samples decreases with increase in pH *** recorded blue shift confirmed the quantum confinement effect in the prepared zinc oxide *** spectrum infers that the increase in pH value shifts the ultraviolet-visible emission but not the violet and green emissions.

关键词： Zinc oxide nanoparticles pH value Crystal structure Microstructure Energy gap Photoluminescence

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significant association between ABO blood group and pancreatic cancer

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World Journal of Gastroenterology 2010年第44期16卷 5588-5591页

作者： Julia B Greer Mark H Yazer jay s Raval M Michael Barmada Randall E Brand David C Whitcomb Department of Medicine Division of GastroenterologyHepatology and NutritionUniversity of Pittsburgh School of Medicine Department of Pathology University of Pittsburgh School of Medicine The Institute for Transfusion Medicine Department of Human Genetics Graduate School of Public HealthUniversity of Pittsburgh University of Pittsburgh Cancer Institute

AIM:To evaluate whether the ABO blood group is related to pancreatic cancer risk in the general population of the United ***:Using the University of Pittsburgh's clinicalpancreatic cancer registry,the blood donor database from our local blood bank (Central Blood Bank),and the blood product recipient database from the regional transfusion service (Centralized Transfusion service) in Pittsburgh,Pennsylvania,we identified 274 pancreatic cancer patients with previously determined serological ABO blood group *** ABO blood group frequency was compared between these patients and 708842 individual,community-based blood donors who had made donations to Pittsburgh's Central Blood Bank between 1979 and ***:The frequency of blood group A was statistically significantly higher amongst pancreatic cancer patients compared to its frequency amongst the regional blood donors [47.63% vs 39.10%,odds ratio (OR)=1.43,P=0.004].Conversely,the frequency of blood group O was significantly lower amongst pancreatic cancer patients relative to the community blood donors (32.12% vs 43.99%,OR=0.60,P=0.00007).There were limited blood group B (n=38) and AB (n=17) pancreatic cancer patients;the overall P trend value comparing patient to donor blood groups was ***:The ABO blood group is associated with pancreatic cancer *** studies should examine the mechanism linking pancreatic cancer risk to ABO blood group.

关键词： ABO blood group Pancreatic adenocarcinoma surveillance Risk reduction Epidemiology

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statistical analysis of geographic information with ArcView GIs and ArcGIs

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2005年

作者： David W.s. Wong jay Lee.

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Wiley's Remediation Technologies Handbook: Major Contaminant Chemicals and Chemical Groups

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2004年

作者： jay H. Lehr

ISBN: (数字)9780471655473

ISBN: (纸本)9780471455998

Wiley's Remediation Technologies Handbook: Major Contaminant Chemicals and Chemical Groups , extracted from the Enviroglobe database, consists of 368 chemicals and chemical groups. This book lists in alphabetical order these chemical and chemical groups along with the numerous technologies, many of which are patented, or trademarked techniques, to remediate them. A short description of each of these technologies is provided along with appropriate references. Wiley's Remediation Technologies Handbook: Major Contaminant Chemicals and Chemical Groups : Covers the most important chemical and chemical groups that are found to pollute the environment, and the ways to remediate them. Gives succinct abstract describing the numerous technologies used to clean-up a wide range of pollutants. Provides the uses and limitations of each technique. Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.

关键词： Hazardous wastes

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Biodegradation of alkylates under less agitated aquifer conditions

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Journal of Environmental sciences 2013年第8期25卷 1529-1538页

作者： jay J. Cho Makram T. suidan Albert D. Venosa URs Corporation 7720N 16th st. ste 100 Phoenix AZ 85020 USA Faculty of Engineering and Architecture American University of Beirut Dean's officeP.O.Box 11-0236 Riad El Solh 1107 2020 Beirut Lebanon Us Environmental Protection Agency National Risk Management Research LaboratoryCincinnati OH 45268 USA

The biodegradability of three alkylates （2,3-dimethylpentane, 2,4-dimethylpentane and 2,2,4-trimethylpentane） under less agitated aquifer conditions was investigated in this study. All three alkylates biodegraded completely under these conditions regardless of the presence or absence of ethanol or benzene, toluene, ethylbenzene, and xylenes （BTEX） in the feed. In the presence of ethanol, alkylates degradation was not inhibited by ethanol. However, alkylates degraded more slowly in the presence of BTEX suggesting competitive inhibition to microbial utilization of alkylates. In the sterile controls, alkylates concentrations remained unchanged throughout the experiments.

关键词： biodegradation alkylates inhibition BTEX ethanol

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