{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,28]],"date-time":"2026-02-28T03:44:42Z","timestamp":1772250282937,"version":"3.50.1"},"reference-count":32,"publisher":"MDPI AG","issue":"21","license":[{"start":{"date-parts":[[2022,10,28]],"date-time":"2022-10-28T00:00:00Z","timestamp":1666915200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Key R&amp;D Program of China","award":["#2017YFA0603103"],"award-info":[{"award-number":["#2017YFA0603103"]}]},{"name":"National Key R&amp;D Program of China","award":["#41974009"],"award-info":[{"award-number":["#41974009"]}]},{"name":"National Key R&amp;D Program of China","award":["41874098"],"award-info":[{"award-number":["41874098"]}]},{"name":"National Key R&amp;D Program of China","award":["42174042"],"award-info":[{"award-number":["42174042"]}]},{"name":"National Key R&amp;D Program of China","award":["42074094"],"award-info":[{"award-number":["42074094"]}]},{"name":"National Key R&amp;D Program of China","award":["#QYZDB-SSW-DQC042"],"award-info":[{"award-number":["#QYZDB-SSW-DQC042"]}]},{"name":"National Key R&amp;D Program of China","award":["#220100044"],"award-info":[{"award-number":["#220100044"]}]},{"name":"National Natural Science Foundation of China","award":["#2017YFA0603103"],"award-info":[{"award-number":["#2017YFA0603103"]}]},{"name":"National Natural Science Foundation of China","award":["#41974009"],"award-info":[{"award-number":["#41974009"]}]},{"name":"National Natural Science Foundation of China","award":["41874098"],"award-info":[{"award-number":["41874098"]}]},{"name":"National Natural Science Foundation of China","award":["42174042"],"award-info":[{"award-number":["42174042"]}]},{"name":"National Natural Science Foundation of China","award":["42074094"],"award-info":[{"award-number":["42074094"]}]},{"name":"National Natural Science Foundation of China","award":["#QYZDB-SSW-DQC042"],"award-info":[{"award-number":["#QYZDB-SSW-DQC042"]}]},{"name":"National Natural Science Foundation of China","award":["#220100044"],"award-info":[{"award-number":["#220100044"]}]},{"name":"Key Research Program of Frontier Sciences, Chinese Academy of Sciences","award":["#2017YFA0603103"],"award-info":[{"award-number":["#2017YFA0603103"]}]},{"name":"Key Research Program of Frontier Sciences, Chinese Academy of Sciences","award":["#41974009"],"award-info":[{"award-number":["#41974009"]}]},{"name":"Key Research Program of Frontier Sciences, Chinese Academy of Sciences","award":["41874098"],"award-info":[{"award-number":["41874098"]}]},{"name":"Key Research Program of Frontier Sciences, Chinese Academy of Sciences","award":["42174042"],"award-info":[{"award-number":["42174042"]}]},{"name":"Key Research Program of Frontier Sciences, Chinese Academy of Sciences","award":["42074094"],"award-info":[{"award-number":["42074094"]}]},{"name":"Key Research Program of Frontier Sciences, Chinese Academy of Sciences","award":["#QYZDB-SSW-DQC042"],"award-info":[{"award-number":["#QYZDB-SSW-DQC042"]}]},{"name":"Key Research Program of Frontier Sciences, Chinese Academy of Sciences","award":["#220100044"],"award-info":[{"award-number":["#220100044"]}]},{"name":"Open Fund of Hubei Luojia Laboratory","award":["#2017YFA0603103"],"award-info":[{"award-number":["#2017YFA0603103"]}]},{"name":"Open Fund of Hubei Luojia Laboratory","award":["#41974009"],"award-info":[{"award-number":["#41974009"]}]},{"name":"Open Fund of Hubei Luojia Laboratory","award":["41874098"],"award-info":[{"award-number":["41874098"]}]},{"name":"Open Fund of Hubei Luojia Laboratory","award":["42174042"],"award-info":[{"award-number":["42174042"]}]},{"name":"Open Fund of Hubei Luojia Laboratory","award":["42074094"],"award-info":[{"award-number":["42074094"]}]},{"name":"Open Fund of Hubei Luojia Laboratory","award":["#QYZDB-SSW-DQC042"],"award-info":[{"award-number":["#QYZDB-SSW-DQC042"]}]},{"name":"Open Fund of Hubei Luojia Laboratory","award":["#220100044"],"award-info":[{"award-number":["#220100044"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Aliasing error induced by tide-related high frequency mass variations is one of the most significant errors in the Gravity Recovery and Climate Experiment (GRACE). In the present work, we evaluated the 161.0-day S2, 171.2-day P1, and 322.1-day S1 ocean tide aliasing in GRACE latest RL06 data based on nearly 15 years of observation from 2002 to 2017. Tide aliasing was still obvious for current GRACE observations, especially for S2 and P1 aliasing. S2 aliasing was mostly evident over West Antarctica, and was a clearly eastward propagation that travelled around Antarctica in about 2 years, while P1 showed strongest aliasing over South Greenland. More seriously, we found that GRACE mascon data showed an extremely large aliasing error. The mascon data may have unintentionally amplified the aliasing error on land due to the regularization (or constraint) applied for reducing signal leakage. Enough attention must be paid to tide aliasing when using GRACE for assessing mass variations at high latitudes (e.g., glaciers in polar regions) which can cause potential obstacles to estimation of actual seasonality.<\/jats:p>","DOI":"10.3390\/rs14215403","type":"journal-article","created":{"date-parts":[[2022,10,30]],"date-time":"2022-10-30T09:01:42Z","timestamp":1667120502000},"page":"5403","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["On Tide Aliasing in GRACE Time-Variable Gravity Observations"],"prefix":"10.3390","volume":"14","author":[{"given":"Zhen","family":"Li","sequence":"first","affiliation":[{"name":"State Key Laboratory of Geodesy and Earth\u2019s Dynamics, Innovation Academy of Precision Measurement of Science and Technology, Chinese Academy of Sciences, Wuhan 430077, China"},{"name":"University of Chinese Academy of Sciences, Beijing 100049, China"}]},{"given":"Zizhan","family":"Zhang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Geodesy and Earth\u2019s Dynamics, Innovation Academy of Precision Measurement of Science and Technology, Chinese Academy of Sciences, Wuhan 430077, China"},{"name":"University of Chinese Academy of Sciences, Beijing 100049, China"},{"name":"Hubei Luojia Laboratory, Wuhan 430070, China"}]},{"given":"Hansheng","family":"Wang","sequence":"additional","affiliation":[{"name":"University of Chinese Academy of Sciences, Beijing 100049, China"}]}],"member":"1968","published-online":{"date-parts":[[2022,10,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"L09607","DOI":"10.1029\/2004GL019920","article-title":"The gravity recovery and climate experiment; mission overview and early results","volume":"31","author":"Tapley","year":"2004","journal-title":"Geophys. 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