传统的照度计或光量子传感器多采用特氟隆传感器,传感器可以为平面状(cosine型)或球状(scalar型)。测量时将传感器放置到需要测量的位点读数即可。这种传感器非常昂贵,当您需要对很多个测量位点同时进行连续监测时,需要购买很多个传感器,这是多数客户无法承受的。
日本E&L公司创造性的发明了一种低成本的贴片式日射计测量技术,可以用很低的成本同时测量大量位点(如大量叶片)的累积受光量。这种技术在植物光合作用研究、作物受光量和受光态势研究等方面,在植物生理生态学、农学、林学、园艺学、水生生物学、水生态学等领域得到了非常成功的应用。
由于日射计感光胶片非常便宜,因此可以大量的布点测量。如可以对一株植物的所有叶片都贴上日射计胶片进行积分光强测量;如可以对温室内的不同位点贴上日射计胶片进行测量用于温室光强均匀度分析;如可以贴在水中不同深度的支撑物表面进行水体积分光强剖面分析或浊度测量;等等。
Isoda A., Yoshimura T., Ishikawa T., Nakamura Y., Nojima H., Takasaki Y., An analysis of light intercepting characteristics in rice by using simple integrated solarimeter. Tech. Bull. Fac. Hort. Chiba. Univ., 1990, 43: 39-43.
Isoda A., Yoshimura T., Ishikawa T., Radiation interception in field grown Soybeans measured by integrated solarimeter films. Jpn. J. Crop Sci., 1992, 61(1): 124-130.
Isoda A., Yoshimura T., Ishikawa T., Nojima H., Takasaki Y., Effects of leaf movement on radiation interception in field grown Leguminous crops: I. Peanut (Arachis hypogaea). Jpn. J. Crop Sci., 1993, 62(2): 300-305.
Isoda A., Yoshimura T., Ishikawa T., Wang P., Nojima H., Takasaki Y., Effects of leaf movement on radiation interception in field grown Leguminous crops: II. Soybean (Glycine max). Jpn. J. Crop Sci., 1993, 62(2): 306-312
Isoda A., Yoshimura T., Ishikawa T., Nojima H., Takasaki Y., Effects of leaf movement on radiation interception in field grown Leguminous crops: III. Relation to leaf temperature and transpiration among soybean cultivars. Jpn. J. Crop Sci., 1993, 63(4): 657-663.
Isoda A., Misa A. L., Nojima H., Takasaki Y., Effects of leaf movement on radiation interception in field grown Leguminous crops: III. Relation to leaf temperature and transpiration among peanut cultivars. Jpn. J. Crop Sci., 1996, 65(4): 700-706.
Isoda A., Yoshimura T., Ishikawa T., Nojima H., Takasaki Y., Solar radiation penetration and distribution in Soybean communities. Jpn. J. Crop Sci., 1994, 63(2): 298-304.
Kawamura K., Cho M., Takeda H., The applicability of a color acetate film for estimating photosynthetic photon flux density in a forest understory. J. Forest Res., 2005, 10(3): 247-249.
Wang C., Isoda A., Li Z., Wang P., Transpiration and leaf movement of Cotton cultivars grown in the field under arid conditions. Plant Prod. Sci., 2004, 7(3): 266-270.
Wang P., Isoda A., Wei G., Yoshimura T., Ishikawa T., Growth and Adaptation of Soybean cultivars under water stress conditions: II. Effects of leaf movement on radiation interception. Jpn. J. Crop Sci., 1994, 63(4): 699-705.