- “除了地球观测星座,公司还将研发可行的一次性卫星,模块设计的在利用和现成的商业技术的判断使用。短时间和一体化设计、制造,都是确保低成本小卫星发展的关键。 “In addition to constellations, [Surrey Satellite] remains committed to producing affordable one-off satellites, and re-use of module designs, [an...
- “这些能力需求,当考虑到我国较大多数发达国家可能受到更多气候变化影响时就显得更加需要重视。我们所处地点意味着影响我们区域气候的关键因子,在其他国家开发的气候模式中不会很好地表述。 “These capability requirements are brought into sharper focus when you consider that our country is potentially more exposed to the impacts of cli...
- “那是一个巨大的挑战。造车周游悉尼和制造一辆获得一级方程式大奖汽车不是一回事儿。” “That’s hugely challenging. It’s the difference between building a car that travels around Sydney and building one that wins a Formula One Grand...
- “Tim在业务实践和科学认知两方面的经历,使他成为这个位置的理想人选。他意识到在NOAA、私人预报公司和学术界之间的至关重要的合作,能够有利于研究向预报业务的转化和提升国家天气预报能力。 “Tim's mixture of operational expertise and scientific knowledge make him an ideal choice for this position. His understanding of the vital collab...
- “飓风Irma造成的损失将达1000亿美元,使其成为历史上破坏损失最惨重的飓风之一。该损失占美国19万亿GDP的0.5%。我们估计飓风Harvey是美国历史上损失最大的天气灾害,达到1900亿美元, “We believe the damage estimate from Irma to be about $100 billion, among the costliest hurricanes of all time. This amounts to 0.5 of a percentag...
- “会议期间我们将讨论:1)集合预报的起源:25年前的挑战是什么?2)集合预报的初始条件。3)模式不确定性的表示。4)误差增长,信号传播和尺度相互作用。 “During the Seminar we will be discussing: 1 ) The root of ensemble prediction: what were the challenges 25 years ago? 2) Ensemble initial conditi...
- “[集合预报]首先原则上表明,预报天气可以提前数天。第二,其开辟了动力概率预报领域。最后,指出了预报均值和方差的可行方案,使得集合预报和奇异向量开始了不确定性采样。” “[Ensemble prediction] First showing that it was, in principle, possible to predict the weather beyond a few days. Then, opening the field of dyna...
- “集合预报的思想应用于月(和季节)预报没有争议。争议在于集合预报方法的开发应该结合被称为‘确定性的可预报性之极限’展开。中期集合预报值得怀疑, “The application of ensemble ideas to monthly (and seasonal) forecasting was not controversial. What was more controversial is that ensemble forec...
- “集合变分数据同化方法的直接应用是基于已有的3D/4D变分方案。这样做得到的扰动状态可以初始化EPS,可以是全球系统或区域尺度。这在法国气象局和ECMWF已经业务化。 “Ensemble of variational data assimilation methods are straightforward to implement upon existing 3D/4D-Var schemes. They provide perturbed states...
- “近来的进展包括运行加入气溶胶的耦合集合预报系统(CAMS模式) “Recent efforts have involved running the coupled Ensemble Prediction System with prognostic aerosols (CAMS model). Ensemble forecasts only have p...
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