搜索结果: 1-15 共查到“测绘科学技术 yield”相关记录26条 . 查询时间(0.148 秒)
RICE YIELD ESTIMATION THROUGH ASSIMILATING SATELLITE DATA INTO A CROP SIMUMLATION MODEL
Data assimilation remote sensing crop simulation model rice yield
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2016/12/1
Rice is globally the most important food crop, feeding approximately half of the world’s population, especially in Asia where around half of the world’s poorest people live. Thus, advanced spatiotempo...
LIGHT-WEIGHT MULTISPECTRAL UAV SENSORS AND THEIR CAPABILITIES FOR PREDICTING GRAIN YIELD AND DETECTING PLANT DISEASES
UAV multispectral multi-temporal agriculture plant vitality NDVI predicting yield
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2016/7/5
In this paper we investigate the performance of new light-weight multispectral sensors for micro UAV and their application to selected tasks in agronomical research and agricultural practice. The inve...
STUDY ON ENVISAT ASAR DATA ASSIMILATION IN RICE GROWTH MODEL FOR YIELD ESTIMATION
Rice Yield Map Crop Model Radar Model Data Assimilation Optimization Algorithm Classification
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2015/12/28
In this paper, a practical scheme for assimilation of multi-temporal and multi-polarization ENVISAT ASAR data in rice crop model to map rice yield has been presented. To achieve this, rice distributio...
THE USE OF REMOTE SENSING WITHIN THE MARS CROP YIELD MONITORING SYSTEM OF THE EUROPEAN COMMISSION
Remote Sensing Agriculture Meteorology Indicators Multisensor Multitemporal
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2015/12/28
The objective of the Mars Crop Yield Forecasting Systems (MCYFS) is to provide precise, scientific, traceable independent and timely forecasts for the main crops yields at EU level. The forecasts and ...
CROP MODEL DATA ASSIMILATION WITH THE ENSEMBLE KALMAN FILTER FOR IMPROVING REGIONAL CROP YIELD FORECASTS
Crop model data assimilation Ensemble Kalman filter
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2015/9/8
Uncertainty in spatial and temporal distribution of rainfall in regional crop yield
simulations comprises a major fraction of the error on crop model simulation results. In
this paper we used an Ens...
Crop yield prediction with SPOT VGT in Mediterranean and central Asian countries
crop yield forecasting SPOT VEGETATION crop growth monitoring
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2015/9/6
Some years ago the MARS-FOOD group was established to support the Food Aid and Food Security policies of the European
Commission. The activities are aimed at improving methods and information on crop...
Cotton yield estimation in Uzbekistan integrating MODIS, Landsat ETM+ and field data
Modelling Prediction Agriculture
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2015/9/6
Estimating crop yields is critical for regions in the Aral Sea Basin, where agriculture, predominantly cotton (Gossypium hirsutum
L.) production, is the main source of income. Monitoring the spatial ...
Meteosat based agrometeorological monitoring and crop yield forecasting using the energy and water balance monitoring system
Satellite Meteosat MSG EWBMS
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2015/9/6
This paper provides an overview of the Energy and Water Balance Monitoring System (EWBMS). This Meteosat based system
provides continuous agrometeorological data fields over large regions at pixel sp...
Operational maize yield model development and validation based on remote sensing and agro-meteorological data in Kenya
Crop monitoring quantitative yield forecast early warning
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2015/9/6
Remote sensing (RS) data acquired by satellite have wide scope for agricultural applications owing to their synoptic and repetitive
coverage. On the one hand, spectral indices deduced from visible an...
Non-parametric crop yield forecasting, a didatic case study for Zimbabwe
Agriculture Climate Crop
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2015/9/6
Operational crop yield forecasting is mostly achieved with empirical statistical regression equations relating regional yield with
predictor variables, termed “factors”. Regional yield (the “dependen...
A comparison and evaluation of performances among crop yield forecasting models based on remote sensing: Results from the GEOLAND Observatory of Food Monitoring
Crop Yield Forecast Remote Sensing Modelling
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2015/9/6
In the context of the GEOLAND EC FP6 project the comparison of different remote sensing based approaches for yield forecasting
over large areas in Europe are tested and results inter-compared. In par...
Use of remote sensing for crop yield and area estimates in the southern of Brazil
Agriculture developing countries mapping
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2015/9/6
The purpose of this paper is to describe the main actions undertaken by the Federal University of Rio Grande do Sul (UFRGSUniversidade
Federal do Rio Grande do Sul) in activities related to crop moni...
Respective contribution of yield and area estimates to the error in crop production forecasting
agriculture production forecasting error trends analysis
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2015/9/6
Improvement of crop production forecasting is a major research subject since many years. A systematic analysis of long time series
made available through 2 extended databases for 4 crops and 15 Europ...
Generalized software tools for crop area estimates and yield forecast
informative system sampling design SAS
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2015/9/6
The procedure that leads to the estimates of the variables of interest, such as land use and crop yield and their sampling standard
deviations, is rather tedious and complex, till to make necessary f...
Crop masking – needs for the MARS crop yield forecasting system
Agriculture Land Cover GIS
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2015/9/6
The objective of the Mars Crop Yield Forecasting Systems is to provide precise, scientific, traceable independent and timely
forecasts for the main crops yields at EU level. The forecasts and analysi...