基于卫星遥感的秦山核电周边海域温度分布研究
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石海岗(1984-),男,硕士,高级工程师,主要从事环境遥感、遥感地质、遥感技术推广应用方面工作。Email: 383071766@qq.com。 |
Copy editor: 陈庆
收稿日期: 2023-08-02
修回日期: 2023-11-20
网络出版日期: 2026-06-03
基金资助
秦山核电温排水遥感测量项目(QX3FY-21003481-000)
河北省重点研发计划项目“华北平原中低温地热异常信息热红外遥感探测技术研究与应用”(2134202D)
A study of temperature distribution in the sea area around Qinshan Nuclear Power Plant based on satellite remote sensing
Received date: 2023-08-02
Revised date: 2023-11-20
Online published: 2026-06-03
石海岗 , 梁春利 , 薛庆 , 张恩 , 章新益 , 张建永 , 张春雷 , 程旭 . 基于卫星遥感的秦山核电周边海域温度分布研究[J]. 自然资源遥感, 2025 , 37(1) : 152 -160 . DOI: 10.6046/zrzyyg.2023234
This study investigated the temperature distribution in the sea area around the Qinshan Nuclear Power Plant using Landsat thermal infrared remote sensing data. The results indicate a strong correlation between the inversion results of temperature and the measured data, suggesting reliable inversion results. Before the operation of the nuclear power plant, the surrounding sea area exhibited relatively uniform temperature, with no significant temperature difference except for natural warming. Furthermore, the temperature along the coast remained almost unchanged in the north-south direction and displayed slight temperature gradients in the east-west direction, with temperature variation not exceeding 0.6 ℃ within 10 km from the coast. After the operation of the nuclear power, the surrounding sea area showed temperature differentiation. The distribution characteristic of thermal discharge was closely related to tides and seasons. In the same season, the increased amplitude of the temperature during ebb tides generally exceeded that during flood tide. Under the same tidal condition, the increased amplitude of the temperature in summer typically exceeded that in winter. At a certain water intake of the first plant, the surface seawater manifested a temperature rise of over 1.0 ℃ during flood tide. Landsat data generally meet the demand for research on temperature distribution in the surrounding sea area of the Qinshan Nuclear Power Plant, and the distribution of thermal discharge under specific tidal conditions can be investigated using aerial remote sensing monitoring.
表1 秦山核电不同时相热红外数据概况Tab.1 Overview of thermal infrared data of Qinshan nuclear power plant in different time |
| 数据类型 | 有效载荷 | 地面幅宽/km | 空间分辨率/m | 重访周期/d | 过境时间及运行工况 | 季节及潮态 |
|---|---|---|---|---|---|---|
| Landsat5 | B6 | 185 | 120 | 16 | 1986-01-23 09:52 未运行 1986-08-19 09:46 未运行 | 冬季涨潮 夏季落潮 |
| Landsat8 | B10 | 185 | 100 | 16 | 2020-12-22 10:25 9台机组运行 2019-07-29 10:25 9台机组运行 | 冬季落潮 夏季涨潮 |
| Landsat9 | B10 | 185 | 100 | 16 | 2022-01-02 10:15 9台机组运行 2022-08-14 10:25 9台机组运行 | 冬季涨潮 夏季落潮 |
图5-1 秦山核电运行后周边海域热红外温度场Fig.5-1 Thermal infrared temperature of the sea region near Qinshan nuclear power plant at different periods |
图5-2 秦山核电运行后周边海域热红外温度场Fig.5-2 Thermal infrared temperature of the sea region near Qinshan nuclear power plant at different periods |
表2 秦山核电周边海域不同时相温度分布统计Tab.2 Statistics of temperature distribution in the sea area around Qinshan nuclear power plant at different time (℃) |
| 时相 | 温度范围 | 排水口温度 | 取水口温度 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 方家山电厂 | 一厂 | 三厂 | 二厂 | 一厂及 方家山电厂 | 三厂 | 二厂南1 | 二厂南2 | ||
| 2019-07-29 | 27.5~35.0 | 31.7 | 33.3 | 33.3 | 34.8 | 31.9 | 29.8 | 29.8 | 29.8 |
| 2020-12-22 | 8.5~15.3 | 14.4 | 15.3 | 12.5 | 12.2 | 10.5 | 11.7 | 10.3 | 10.1 |
| 2022-01-02 | 8.5~12.0 | 11.2 | 11.2 | 11.9 | 11.9 | 10.6 | 10.2 | 10.2 | 10.2 |
| 2022-08-14 | 31.0~38.0 | 37.8 | 37.8 | 37.5 | 38.0 | 36.3 | 33.9 | 33.8 | 32.4 |
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