中国第12次北极科学考察(2021年)表层海水叶绿素浓度分析数据

叶绿素是浮游植物进行光合作用的主要色素，包括叶绿素a、b、c、d等，其中最主要的是叶绿素a，广泛存在于浮游植物体内，其浓度是反映水体浮游植物含量的重要且直接的指标。
本数据为中国第12次北极科学考察（2021年）叶绿素浓度观测数据，对了解北极及邻区海域吸收或转移CO2的过程、机制和能力；了解北极特定海区浮游植物的生物地球化学特征、研究其对全球气候变化的贡献和对我国气候和海洋环境影响具有重要意义。
1.测量仪器
仪器名称：Turner荧光仪
仪器型号：Trilogy实验室型荧光仪
标定方法：中华人民共和国国家计量检定规程
2.测量方法和所获观测资料
使用采水器打表层水测量海水叶绿素浓度，共计52个有效数据站点，数据单位为（mg/m3）。

Chlorophyll is the primary pigment for photosynthesis in phytoplankton, including chlorophyll a, b, c, d and others. Among them, chlorophyll a is the most dominant one, widely present in phytoplankton, and its concentration serves as an important and direct indicator reflecting the phytoplankton content in water bodies.

This dataset contains chlorophyll concentration observation data collected during the 12th Chinese Arctic Scientific Expedition in 2021. It is of great significance for understanding the processes, mechanisms and capacities of CO2 absorption and transport in the Arctic and its adjacent seas, grasping the biogeochemical characteristics of phytoplankton in specific Arctic sea areas, and exploring their contributions to global climate change as well as their impacts on China's climate and marine environment.

1. Measuring Instruments
Instrument Name: Turner fluorometer
Instrument Model: Trilogy laboratory fluorometer
Calibration Method: National Metrological Verification Regulations of the People's Republic of China

2. Measurement Methods and Obtained Observation Data
Surface seawater was collected using a water sampler to measure the chlorophyll concentration in seawater. A total of 52 valid sampling stations were included, with the data unit being (mg/m³).