利用METRIC模型估算尼泊尔地表蒸散发量(英文)
发布时间:2021-05-06 22:44
鉴于尼泊尔地区地形复杂,大气和气候特性的局地性变化很强,我们尝试将遥感用于该地区复杂地形以检测大气参数。本研究评估了基于Landsat的METRIC模型在尼泊尔地区复杂下垫面估算蒸散量的适用性,同时也考虑了地形的坡度和坡向对模拟的影响。结果表明,每小时ET (每日ET)的均方根误差为0.06mm h-1(1.24mm d-1),而平均偏差误差为0.03mm h-1(0.29mm d-1)。这一结果与前人评估METRIC模型所得到的结果类似,因此验证了该模型在尼泊尔地区的适用性。我们的研究将ET估算的分辨率提升至30m的同时不会影响其精度。在尼泊尔的复杂地形下,高分辨率的ET估算可用于农业规划和监测等。
【文章来源】:Atmospheric and Oceanic Science Letters. 2020,13(06)CSCD
【文章页数】:9 页
【文章目录】:
1. Introduction
2. Methods and data
2.1. Study area
2.2. Data
2.2.1. Remote sensing data
2.2.2. Meteorological data
2.3. Landsat data preprocessing
2.4. METRIC model
2.4.1. Error estimation
3. Results
3.1. Hourly and daily ET derived from the METRIC model
3.2. Validation of the METRIC-derived ET and Ts
3.3. Elevation-wise variation in ET
4. Discussion
5. Conclusions
Disclosure statement
本文编号:3172746
【文章来源】:Atmospheric and Oceanic Science Letters. 2020,13(06)CSCD
【文章页数】:9 页
【文章目录】:
1. Introduction
2. Methods and data
2.1. Study area
2.2. Data
2.2.1. Remote sensing data
2.2.2. Meteorological data
2.3. Landsat data preprocessing
2.4. METRIC model
2.4.1. Error estimation
3. Results
3.1. Hourly and daily ET derived from the METRIC model
3.2. Validation of the METRIC-derived ET and Ts
3.3. Elevation-wise variation in ET
4. Discussion
5. Conclusions
Disclosure statement
本文编号:3172746
本文链接:https://www.wllwen.com/projectlw/qxxlw/3172746.html