Mission continuity analysis
Missions supplying essential observations and services are mapped with their expected lifetimes and successors, so gaps can be anticipated and planned for.
GCRI · 空间与地球观测
用于风险情报和可持续发展的空间 系统 and satellite services is the second technology this platform stewards. It covers spacecraft, orbits, launch, ground segments and the services they provide, with attention to continuity, resilience and the sustainability of orbital environments.
用于风险情报和可持续发展的空间 系统 and satellite services provide positioning, timing, communication and observation from orbit. Many terrestrial systems depend on them, making their disruption a cross-sector risk. In space and Earth observation and climate and hazards, space systems analysis reveals dependencies of finance, power grids and transport on satellite timing and navigation. It supports planning for backups and space weather events. The canonical description is on STEM Commons.
Missions supplying essential observations and services are mapped with their expected lifetimes and successors, so gaps can be anticipated and planned for.
Constellation design, spares, ground station diversity and protection against space weather are assessed for how they keep services running.
Missions are assessed against debris mitigation guidelines for passivation, end-of-life disposal and collision avoidance capability.
北极的土地覆盖与植被,来自 NASA GIBS。每个图层均标有各自日期。
交互式地图需要JavaScript;图层列表和来源见下文。
图层 2
本页的对地观测
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最新可用
NASA GIBS / EOSDIS · ASTER GDEM (METI, NASA) · Blue Marble (NASA) · © OpenStreetMap贡献者 (ODbL) · Natural Earth
正在加载最新的NASA影像。
拖动以移动。按住 Ctrl 或 ⌘ 并滚动、双指缩放或使用按钮缩放;悬停可查看指针下的数值;重置可返回该区域。
地球观测,以北极为取景。NASA 发布的卫星和模型产品,各带自己的日期。它们是指标,而非对任何地点的评估。
图层与日期
Datasets and records used by space 系统 and satellite services on this platform, with the role each plays and the label its values carry. Sources are listed in 来源登记册.
| 数据 | 角色 | 标签 |
|---|---|---|
| Mission databases | 连续性 | 已发布统计 |
| Space surveillance catalogues | Orbital environment | 观测 |
| Operator documentation | Design and operations | 已声明 |
团队遵循该方法时会使用的界面:其指标、状态与决策。名称为示例,数值仅作示意。
Space and Earth observation · Space systems engineering · Run R-5277
revisit and swath
stratified sample
| 水 | 98 | 86 | 121 |
| Cropland | 78 | 73 | 176 |
| Built-up | 85 | 93 | 79 |
| Forest | 94 | 84 | 145 |
系统 are tested on the ground before launch and monitored in orbit. Conjunction assessments and service performance are checked against independent tracking.
| 核查 | 如何开展 |
|---|---|
| Status verification | Mission status is verified against agency records |
| Guideline mapping | Compliance assessments cite the specific guideline |
| Scenario coverage | Resilience assessments cover space weather, failure and interference |
Debris growth, solar storms and interference are hard to forecast precisely. Ground segments and launch capacity are concentrated.
Assembled from the Nexus Standards area profile 气候风险标准: the hazards it names, the 系统 and sectors that carry the loss, the controls that dampen it and the data that observe it. Choose the components, pick an initiating hazard and step through the cascade. The Map view places the run on an example geography with open data. Every coupling weight is a stated assumption you can change. A teaching model, not a forecast, an assessment or a certification. To model a place of your own choosing, open the full System Builder.
灾害
控制措施
NS-0 章程与原则NS-1 维持社会运转的 UNI 与制品目录(语法 v0.2:领域、部门、区域和环境分段)NS-3 风险记录 UNI(语法、旧编码对照、分配机构)NS-3b 数据集与产品元数据规范(STAC、DCAT、PROV-O)NS-9 情境 UNI(部署、实例、计划实例)NS-11 验证与监测(证据、证明、零信任符合性观测)NS-14 符合性及与外部标准的对照NRS-H65 危害类别:超越行星边界(NHS-1 planet.boundary)NRS-H62 危害类别:复合与多危害事件(NHS-1 sys.compound)NRS-H71 危害类别:深时与宇宙灾难(NHS-1 planet.deep-time)NRS-H79 危害类别:精神卫生危机(NHS-1 health.mental)NRS-H75 危害类别:气候敏感性疾病(NHS-1 health.climate-sensitive)NRS-H7 危害类别:大尺度环流异常(NHS-1 atmo.climate-mode)观测
示例地理范围
模型、其假设、数据和不确定性,以科学家或工程师会核查的形式呈现。结构遵循已发表的方法。所取数值仅为示意,不是研究发现。
How a satellite or sensor record becomes evidence on space systems engineering, and where each step adds uncertainty.
Space and Earth Observation stewards space 系统 and satellite services for the Consortium and reviews how it is applied across platforms.
Process explorer · Process
9 steps·4 个阶段·1 gate
流程
Processing levels are mission specific; Sentinel-2 runs from Level-0 raw data to Level-2A, and CEOS Analysis Ready Data sets the minimum for analysis.
Neutral outline of a published external standard or method, from its issuing body. Not a record of operation. Nexus does not perform, certify or approve any step shown. A gate or decision belongs to the party the source names. Level-1B and Level-1C add corrections; Level-2A adds atmospheric correction and scene classification.
报告 is the Consortium’s quarterly publication. What you know about this subject can become evidence, a case or a correction in the next edition, credited to you and published under CC BY 4.0 where it is your own work.
切勿发送个人数据、敏感基础设施细节或您无权分享的任何内容。贡献在使用前会经过审查;发送贡献不赋予署名权或编辑权,赞助也绝不能换取研究结论。
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