搜索结果: 1-15 共查到“CERES”相关记录22条 . 查询时间(0.062 秒)
水分关键期干旱是影响玉米生长和产量的主要限制因子，构建此时期玉米干旱损失模型，研究干旱指数天气保险，对于合理设计天气指数保险和解决目前传统农业保险的困境，转移农业气象灾害风险具有重要意义。针对作物特定阶段单因子气象灾害影响难以剥离的问题，本研究在西北农林科技大学旱作农业长武试验站进行了连续3a的雨养玉米观测试验，利用田间试验数据（玉米生长发育数据、气象数据、土壤数据和田间管理数据）对CERES-M...
QUANTIFYING THE CONTRIBUTIONS OF ENVIRONMENTAL PARAMETERS TO CERES SURFACE NET RADIATION ERROR IN CHINA
CERES surface net radiation China environmental parameters error contributions
2018/5/15
Error source analyses are critical for the satellite-retrieved surface net radiation (Rn) products. In this study, we evaluate the Rn error sources in the Clouds and the Earth’s Radiant Energy System ...
基于CERES-Maize模型的吉林春玉米遗传参数调试
春玉米 CERES-Maize 遗传参数 吉林
2017/11/16
为了应用CERES-Maize模型模拟吉林春玉米生长发育和产量形成，需要确定主栽春玉米品种的遗传参数。采用晚熟春玉米品种‘吉单159’和‘先玉335’多年田间观测数据和同期气象、土壤等数据进行遗传参数调试，并对模型的模拟效果进行验证。结果表明：2个春玉米品种生育期的模拟值和实测值散点均在1:1线周围。‘吉单159’播种至开花天数和播种至成熟天数RMSE值分别为3.78和10.90。‘先玉335’播...
基于CSM-CERES-Wheat模型中Priestley-Taylor （PT）和FAO56 Penman-Monteith （PM）2种蒸发蒸腾量估算方法分别模拟了冬小麦2011—2012年和2012—2013年2个生长季的累积蒸发蒸腾量、日蒸发蒸腾量、土壤含水率、地上干物质以及籽粒产量，并对2种方法的模拟结果进行了评价和比较。对2种方法模拟的蒸发蒸腾量值与试验区域内大型称量式蒸渗仪的实测结果...
DEVELOPMENT OF A NEW GEOSPATIAL DATA SHARING/OVERLAY SYSTEM FOR LAND ENVIRONMENTAL STUDIES – CERES GAIA –
Data sharing, Web-based Database Geospatial data Open system Land applications
2014/4/28
A new geospatial data sharing/overlay system, CEReS Gaia, has developed. The purpose of the system development is to promote
land surface environmental studies. The system has developed to meet the ...
Constraining Ceres' interior from its Rotational Motion
rotation – Ceres – Precession-Nutation – l.o.d
2011/9/30
Context. Ceres is the most massive body of the asteroid belt and contains about 25 wt.% (weight percent) of water. Understanding its thermal evolution and assessing its current state are major goals o...
CERES-Wheat作物模型参数全局敏感性分析
作物 敏感性分析 模型
2011/6/15
作物生长模型广泛应用于区域作物估产研究与应用之中，如何选择最佳作物模型优化参数是获得较好模拟预测结果的关键之一。研究选择河南洛阳为试验区，应用扩展傅里叶振幅灵敏度检验（EFAST）法对CERES-Wheat模型作物参数及田间管理参数进行了全局敏感性分析。结果表明，完成一片叶生长所需积温、最适温度条件下通过春化阶段所需天数、光周期参数、最佳条件下标准籽粒质量参数、开花期单位株冠质量的籽粒数参数等指标...
Constraints on interactions between aerosols and clouds on a global scale from a combination of MODIS-CERES satellite data and climate simulations
aerosols clouds a global scale MODIS-CERES satellite data climate simulations
2010/10/21
Satellite-based cloud top effective radius retrieved by the CERES Science Team were combined with simulated aerosol concentrations from CCCma CanAM4 to examine relationships between aerosol and cloud ...
Evaluation of CERES-maize simulation model results with measured data using water pillow irrigation under semi-arid climatic conditions
CERES-maize model water pillow maize water deficit
2011/1/10
The computer-based CERES-maize model for simulating maize growth and development was used to simulate maize yield in a semi-arid region of Harran Plain of Southeastern Turkey in 2005 and 2006.
为了提升CERESRice模型中遗传参数的空间尺度，以适应区域性研究需要，以江苏省为例，在具有不同水稻品种生态类型的4个稻区各选5~6个样点，以稻区为空间尺度，利用每个样点4年（2001-2004年）县级统计水稻单产资料及同期同地的气象和土壤资料，结合江苏省各地的水稻品种区域试验资料，采用试错法对CERESRice中8个遗传参数，特别是4个与产量相关的遗传参数分别进行了调试与确定（方法1，简称...
Taklimakan dust aerosol radiative heating derived from CALIPSO observations using the Fu-Liou radiation model with CERES constraints
Taklimakan dust aerosol CALIPSO Fu-Liou radiation model CERES constraints
2009/6/22
The dust aerosol radiative forcing and heating rate over the Taklimakan Desert in Northwestern China in July 2006 are estimated using the Fu-Liou radiative transfer model along with satellite observat...
Tateishi Laboratory, Center for Environmental Remote Sensing (CEReS), Chiba University
Tateishi Laboratory Center for Environmental Remote Sensing Chiba University
2010/11/24
Tateishi Laboratory, Center for Environmental Remote Sensing (CEReS), Chiba University。
Mesoscale modelling of the CO2 interactions between the surface and the atmosphere applied to the April 2007 CERES field experiment
Mesoscale modelling CO2 interactions surface atmosphere CERES field experiment
2010/1/19
This paper describes a numerical interpretation of the April 2007, CarboEurope Regional Experiment Strategy (CERES) campaign, devoted to the study of the CO2 cycle at the regional scale. Four consecut...
Assessment of Modified Weather on Rice Yields using Ceres Rice Model in Andhra Pradesh
DSSAT V4.0 Elevated Temperature Solar Radiation Grain Yield Biomass Nitrogen levels
2016/4/7
Field experiment was conducted under 3 different planting dates and 5 nitrogen levels to assess the impact of modified weather on yield and biomass of rice using CERES-Rice at Agricultural Research In...
Mutual perturbing effects between (1) Ceres and (2) Pallas are
presented by using differences in their right ascensions and declinations. These
differences are obtained as the result of two integrat...