Data Set Citation:
When using this data, please cite the data package:
Forest Research Station, Field Science Center for Northern Biodphere, Hokkaido University, 北海道大学北方生物圏フィールド科学センター森林圏ステーション.
Stream Chemistry, Dorokawa watershed, 2005-2006
JaLTER-Hokkaido-kita-02.3.5 (http://db.cger.nies.go.jp/JaLTER/metacat/metacat/JaLTER-Hokkaido-kita-02.3.5/jalter-en)
General Information:
Title:Stream Chemistry, Dorokawa watershed, 2005-2006
Identifier:JaLTER-Hokkaido-kita-02.3.5
Abstract:
Stream chemistry (pH, EC and ionic concentrarion) in stream water at Dorokawa watershed in Hokkaido University's Uryu Experimental Forest as a part of JaLTER core-site (North Hokkaido Experimental Forest) from 2005-2006. JaLTERコアサイト北海道北研究林の一部である北海道大学雨龍研究林泥川流域での2005~2006年の河川水質データ(pH, EC, イオン濃度)
Keywords:
  • Water quality
  • Ionic concentration
  • Biogeochemistry
  • 河川水質
  • イオン濃度
  • 生物地球化学
Data Table, Image, and Other Data Details:
Metadata download: Ecological Metadata Language (EML) File
Data Table:U01F04_SWD1_2005-2006.csv ( View Metadata | Download File download)

Involved Parties

Data Set Owners:
Organization:Forest Research Station, Field Science Center for Northern Biodphere, Hokkaido University, 北海道大学北方生物圏フィールド科学センター森林圏ステーション
Data Set Contacts:
Individual:Associate Prof. Hideaki Shibata
Organization:Field Scicence Center for Northern Bisphere, Hokkaido University
Address:
250 Tokuda,
Nayoro, Hokkaido 096-0071 Japan
Phone:
+81-1654-2-4264 (voice)
Phone:
+81-1654-3-7522 (fax)
Email Address:
shiba@fsc.hokudai.ac.jp

Data Set Characteristics

Geographic Region:
Geographic Description:Dorokawa basin, UREF, Japan
Bounding Coordinates:
West:  142.21  degrees
East:  142.21  degrees
North:  44.39  degrees
South:  44.39  degrees
Time Period:
Begin:
2005-06-06
End:
2006-12-20

Sampling, Processing and Quality Control Methods

Step by Step Procedures
Step 1:
Description:

sampling, 採水

Grab sampling in polyethtlene bottle, ポリ容器に直接採水

Step 2:
Description:

filtering, 濾過

Filtering using GF/F filter, GF/Fフィルターを使って濾過

Instrument(s): Whatman Co.Ltd. GF/F filter
Step 3:
Description:

pH and EC measurement, pHとEC測定

pH and EC was measured using portable sensor in field, pHとECは携帯型測器を用いて現地で測定した

Instrument(s): pH; HORIBA Co.Ltd, Japan, compact pH meter, B-212
Instrument(s): EC; HORIBA Co. Ltd., Japan, compact EC meter, B-173
Step 4:
Description:

Analysis of ionic concentration, イオン濃度分析

Ionic concentration was analyzed using ion chromatography after the filtering by 0.2 micro meter, 0.2μmフィルターで濾過後にイオンクロマトグラフィーを用いて分析した

Instrument(s): Ion chromatography, Japan DIONEX Co. Ltd., DX-500

Data Set Usage Rights

Access Control:
Auth System:knb
Order:denyFirst
Metadata download: Ecological Metadata Language (EML) File