Preliminary estimates of CO2 sources determining possibilities with spaceborne lidar

Possibility estimation of determining carbon dioxide sources by the spaceborne lidar

“…In this paper, we continue the study, in which estimates of the reconstructed optical thicknesses will be given, taking into account the simulated lidar signals themselves, noise, various probing options and the signals received at the same time and the possibilities of restoring the characteristics of the sources are investigated. The main conclusion made in the previous work [1] was related to the fact that from the side of the space platform it is possible to detect mainly only fairly powerful sources, above 300 kg/s, refined estimates are given here. Calculations of the optical depth in the case of accounting for gas sources are quite computationally complex, since they require a fairly accurate calculation of the absorption coefficients on the part of the route where these sources are located.…”

“…When modeling lidar signals, the same parameters of the lidar system are used as in [4][5]. As in the previous work [1], Gaussian models with various scattering functions are considered to describe the behavior of gas concentration, for example, the Pasquill-Briggs model, the Pasquill-Gifford model and others [1,[6][7]. These models are set depending on the stability class of the atmosphere.…”

“…In our previous work [1], preliminary assessments of the possibilities of determining carbon dioxide sources from the space platform were carried out, optical depth were compared for different models of particle sources and a preliminary analysis was made. In this paper, we continue the study, in which estimates of the reconstructed optical thicknesses will be given, taking into account the simulated lidar signals themselves, noise, various probing options and the signals received at the same time and the possibilities of restoring the characteristics of the sources are investigated.…”

Оценки Возможностей Определения Источников Углекислого Газа Бортовым Космическим Лидаром

“…В нашей предыдущей работе [1] были проведены предварительные оценки возможностей определения источников углекислого газа с борта космической платформы, было проведено сравнение оптических толщ для разных моделей источников частиц и сделан предварительный анализ. В настоящей работе мы продолжаем исследование, в котором будут приведены оценки восстановленных оптических толщ с учетом самих моделируемых лидарных сигналов, шумов, исследованы различные варианты проведения зондирования и получаемые при этом сигналы и возможности восстановления характеристик источников.…”

“…При моделировании лидарных сигналов используются параметры лидарной системы в работах [4][5]. Так же как и в предыдущей работе [1] Результаты получены в рамках выполнения государственного задания ИОА СО РАН.…”