Spatial variation and radiocesium flux of litterfall in hardwood-pine mixed forest and cedar plantations based on long-term monitoring data

被引：4

作者：

Hisadome, Keigo ^{[1
,2
]}

Onda, Yuichi ^{[3
]}

Loffredo, Nicolas ^{[3
]}

Kawamori, Ayumi ^{[2
]}

Kato, Hiroaki ^{[3
]}

机构：

[1] Asia Air Survey Co Ltd, Environm Regenerat Sect, Environm & Energy Tech Dept, Minamisoma, Fukushima 9750039, Japan

[2] Univ Tsukuba, Grad Sch Life & Environm Sci, Tsukuba, Ibaraki 3058572, Japan

[3] Univ Tsukuba, Ctr Res Isotopes & Environm Dynam, Tsukuba, Ibaraki 3058572, Japan

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2020年 / 326卷 / 02期

关键词：

Radiocesium concentration; Radiocesium deposition; Litterfall amount; Canopy closure; Seasonal change; CONIFEROUS FOREST; JAPANESE CEDAR; EARLY-PHASE; FUKUSHIMA; CS-137; SOIL; CANOPIES; CHERNOBYL; DYNAMICS; STEMFLOW;

D O I：

10.1007/s10967-020-07433-w

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Long-term monitoring revealed that radiocesium (Cs-137) deposition that fall from the canopy with litterfall was characterized by forest types, seasonal change, and canopy closure (CC). The sum of autumn and spring(137)Cs deposition values divided by the sum of summer and winter tended to have higher values in the cedar forest. The angle of view alpha when the correlation between the CC size and litterfall amount is strongest, was 5 degrees or less in the young cedar forest, but varied in the hardwood-pine mixed forest. This indicates the spatial distribution of(137)Cs deposition has heterogeneity and homogeneity in each forest.

引用

页码：1491 / 1504

页数：14

共 11 条

[1] Spatial variation and radiocesium flux of litterfall in hardwood-pine mixed forest and cedar plantations based on long-term monitoring data
Keigo Hisadome
Yuichi Onda
Nicolas Loffredo
Ayumi Kawamori
Hiroaki Kato
Journal of Radioanalytical and Nuclear Chemistry, 2020, 326 : 1491 - 1504
[2] Dynamics of Mensuration Indicators in a Forest Pine Plantation Based on Data of the Long-Term Observations
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Zheng, X. B.
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