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In-situ networks on test-sites in support of space earth observations

机译:用于支持空间地球观测的测试网站的原位网络

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Acknowledged and justified is the recognition of remote sensing as a powerful tool in land cover/land use monitoring for a large number of purposes ranging from agricultural practices to global ecology and environment protection. Data collected and information created from Earth observations constitute critical inputs to the sustainable management of the Earth - providing evidence for informed decision-making. However, policies on the environment often suffer by having to rely on information that is fragmentary and of uneven quality and value despite of the considerable progress that has been made in space-borne observation systems and information technologies. Currently, the remote sensing community is recognizing again, in a more complex and systematical way, the indispensable necessity of ground-truth information in support of satellite Earth observation missions. In order the remote sensing techniques to be widely transferred to operative applications, data accuracy and information reliability is critical. Algorithms and quantitative models for estimating various land surface variables from remotely sensed observations need to be validated using geo-reference data. Supporting and raising the capacity of remote sensing investigations encompasses the implementation of a wide range of information sources, making full use of ground-based in-situ monitoring as well as of airborne surveys and space-based observations. In this context the paper presents a vision on the objectives, the infrastructure and the functioning of in-situ networks for data acquisition on target selected test-sites with the aim to enhance remote sensing scientific and modelling capacities and to meet the need for multidisciplinary research and multipurpose data application relying both on technology developments and data accuracy. The paper aims also at rising the interest in international networking and collaboration.
机译:承认和合理的是认可遥感作为土地覆盖/土地使用监测中的强大工具,从农业实践到全球生态和环境保护等等。收集的数据和从地球观测创建的信息构成了对地球可持续管理的关键投入 - 为知情决策提供证据。然而,尽管在太空观测系统和信息技术方面取得了相当大的进展,但环境的政策通常会依赖于零碎的信息和不均衡的质量和价值。目前,遥感社区以更复杂和系统的方式再次识别,以卫星地球观测特派团支持的地面真理信息不可或缺的必然性。为了使遥感技术被广泛转移到操作应用,数据准确性和信息可靠性至关重要。需要使用地理参考数据验证用于估计远程感测观察的各种陆地变量的算法和定量模型。支持和提高遥感调查的能力包括各种信息来源,充分利用基于地基的原位监测以及空中调查和基于空间的观察。在这方面,文章提出的目标,愿景,基础设施和现场网络进行数据采集目标选择的试验场,目的是提高遥感科学和建模能力,以满足多学科研究的必要性运作和多用途数据应用依赖于技术开发和数据准确性。该文件的目的还旨在提高对国际网络和合作的兴趣。

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