A hydrographic method to identify the groundwater net recharge, barometric effect and evapotranspiration from a complicated semidiurnal water table fluctuation
文献类型：期刊论文
| 作者 | Cheng, Donghui2,3; Yuan, Jing2,3; Qi, Lijun1 |
| 刊名 | HYDROLOGICAL PROCESSES
 |
| 出版日期 | 2021-10-01 |
| 卷号 | 35期号:10页码:9 |
| 关键词 | barometric effect barometric efficiency groundwater evapotranspiration net recharge rate water table fluctuation method |
| ISSN号 | 0885-6087 |
| DOI | 10.1002/hyp.14383 |
| 通讯作者 | Cheng, Donghui(chdhbsh@chd.edu.cn) |
| 英文摘要 | A hydrographic method was proposed to separate out the hourly scaled groundwater level changes caused by net recharge, barometric effects and evapotranspiration from a semidiurnal water table fluctuation. A characteristic midnight time, with a turning point of the barometric pressure change and high relative air humidity, which meant that neither the barometric effect nor groundwater evapotranspiration occurred, was proposed for determining the net recharge rate r(net). Then, the barometric efficiency f(bar) was estimated using the other time period without evapotranspiration, and the evapotranspiration rate r(ETG) was finally obtained using the remainder of the water level changes. A case example illustrated that estimation of f(bar) using the proposed method was more accurate than that using the traditional error analysis method, which may result in a significant underestimation under the condition of the present water level changes. Additionally, the abnormal semidiurnal fluctuations, more specifically, two step-down fluctuations, which may be a common pattern when the groundwater level is controlled by net recharge, barometric effects and evapotranspiration, can be well understood using the three components separated out. The results also showed that nighttime groundwater evapotranspiration, accounting for an average of 23% of that during the daytime, cannot be ignored. |
| WOS关键词 | NIGHTTIME TRANSPIRATION ; STOMATAL CONDUCTANCE ; REMOVAL ; PLANTS ; TIDES ; C-3 |
| 资助项目 | Natural Science Basic Research Plan in Shaanxi Province of China[2019JM-146] ; National Natural Science Foundation of China[41972248] |
| WOS研究方向 | Water Resources |
| 语种 | 英语 |
| WOS记录号 | WOS:000711813100011 |
| 出版者 | WILEY |
| 资助机构 | Natural Science Basic Research Plan in Shaanxi Province of China ; National Natural Science Foundation of China |
| 源URL | [http://ir.ieecas.cn/handle/361006/17223]  |
| 专题 | 地球环境研究所_生态环境研究室 |
| 通讯作者 | Cheng, Donghui |
| 作者单位 | 1.Chinese Acad Sci, Inst Earth Environm, Xian, Peoples R China 2.Changan Univ, Minist Educ, Key Lab Subsurface Hydrol & Ecol Effects Arid Reg, Xian, Peoples R China 3.Changan Univ, Sch Water & Environm, Xian 710054, Peoples R China |
| 推荐引用方式 GB/T 7714 | Cheng, Donghui,Yuan, Jing,Qi, Lijun. A hydrographic method to identify the groundwater net recharge, barometric effect and evapotranspiration from a complicated semidiurnal water table fluctuation[J]. HYDROLOGICAL PROCESSES,2021,35(10):9. |
| APA | Cheng, Donghui,Yuan, Jing,&Qi, Lijun.(2021).A hydrographic method to identify the groundwater net recharge, barometric effect and evapotranspiration from a complicated semidiurnal water table fluctuation.HYDROLOGICAL PROCESSES,35(10),9. |
| MLA | Cheng, Donghui,et al."A hydrographic method to identify the groundwater net recharge, barometric effect and evapotranspiration from a complicated semidiurnal water table fluctuation".HYDROLOGICAL PROCESSES 35.10(2021):9. |
入库方式： OAI收割
来源：地球环境研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。