藏东南垂直剖面大气黑碳浓度数据

垂直剖面大气黑碳浓度数据主要包含不同高度层次上的大气黑碳浓度数据。黑碳是由不完全燃烧有机物产生的细小颗粒物，通常在大气中以悬浮颗粒的形式存在。黑碳浓度的分布反映了大气中的污染程度以及不同高度大气层对污染物的扩散和沉降特征。该数据对研究空气污染、气候变化以及区域大气质量等方面具有重要意义。本数据来源于第二次青藏科考中的“极目一号”浮空艇平台，浮空艇搭载多种大气观测设备，进行大气组分的原位观测。2024年8月20日至10月2日在藏北那曲地区双湖县（东经88.842°，北纬33.192°，海拔高度4920米），浮空艇搭载黑碳浓度探测仪获取大气黑碳浓度数据。数据加工中，研究人员对每个观测日的数据计算出日均值。该数据集为研究黑碳在高原大气中的分布、沉降及传输路径提供了宝贵资料，对评估其对气候系统及环境健康的影响具有重要价值。通过对黑碳垂直剖面浓度的深入分析，研究人员可揭示高原地区污染源的时空特征、传输机制及对冰雪覆盖区辐射反馈的潜在影响。

The vertical profile atmospheric black carbon (BC) concentration dataset primarily contains atmospheric black carbon concentration data across different altitude layers. Black carbon is a fine particulate matter generated by the incomplete combustion of organic matter, which typically exists as suspended particles in the atmosphere. The distribution of black carbon concentrations reflects the degree of atmospheric pollution and the characteristics of pollutant diffusion and sedimentation in different altitude atmospheric layers. This dataset is of great significance for research on air pollution, climate change, regional atmospheric quality, and other related fields. This dataset is derived from the "Polarview-1" stratospheric airship platform of the Second Tibetan Plateau Scientific Expedition and Research (STEP) program. The airship is equipped with various atmospheric observation devices to conduct in-situ measurements of atmospheric components. From August 20 to October 2, 2024, the airship, equipped with a black carbon concentration detector, collected atmospheric black carbon concentration data at Shuanghu County, Nagqu Region, northern Tibet (88.842° E, 33.192° N, altitude 4920 m). During data processing, researchers calculated the daily average values for the data collected each observation day. This dataset provides valuable data for studying the distribution, sedimentation, and transport pathways of black carbon in the plateau atmosphere, and is of great value for assessing its impacts on the climate system and environmental health. Through in-depth analysis of the vertical profile concentrations of black carbon, researchers can reveal the temporal and spatial characteristics of pollution sources, transport mechanisms, and potential impacts on radiative feedback in snow- and ice-covered areas of the plateau.

搜集汇总

背景与挑战

背景概述

该数据集提供了2024年8月20日至10月2日在藏北那曲地区双湖县（海拔4920米）通过'极目一号'浮空艇平台获取的垂直剖面大气黑碳浓度数据，时间分辨率为日，空间分辨率<=1米，以Excel格式存储。数据用于研究黑碳在高原大气中的分布、沉降和传输机制，对评估空气污染、气候变化及区域环境健康具有重要科学价值。