[PDF] Top 20 Directory UMM :Data Elmu:jurnal:A:Agricultural & Forest Meterology:Vol100.Issue1.Janu2000:

... the forest canopy is considered uniform, the climatological av- erage footprint was the same for every point (x,y) within the ...the forest and overlaid over the site map and centered over a control ... Lihat dokumen lengkap

... usually made by micrometeorological methods (e.g. eddy correlation) or using enclosure chambers. The measurements with the eddy correlation apparatus rep- resent an integration of vegetation gas exchange over large, ... Lihat dokumen lengkap

... of agricultural species, indicate that evapotranspiration is more sensitive to net radi- ...This forest is less sensitive to surface conduc- tance than some other broadleaved forests (Meinzer, 1993; Herbst, ... Lihat dokumen lengkap

... as a generalization of the spherical or uniform distri- bution function (Nichiporovich, 1961; DeWit, 1965), and considers leaves as small surface elements dis- tributed on the surface of a prolate or oblate ... Lihat dokumen lengkap

... horticultural crops: tomato (Stanghellini, 1987; Jolliet and Bailey, 1992), cucumber (Yang et al., 1990), let- tuce (Pollet et al., 1999). In these northern conditions, the glasshouse is generally poorly ventilated ... Lihat dokumen lengkap

... quantify a connection between normal spray operations and the widespread dispersal of pesticides, or their degrada- tion products, in the environment, it does indicate that one ... Lihat dokumen lengkap

... conventional tape methods, when measurements of symmetrical crowns are required once only, partic- ularly where crown diameter exceeds one third of tree height. However, both the flexible rule and in particular the ... Lihat dokumen lengkap

... observed a similar behavior as in the diffuse transmittance: as the calculation scale increased, the model might be reli- able and the error ...found a great scatter in the regression with high R 2 when ... Lihat dokumen lengkap

... meteorological data and (2) some impre- cision in the plant parameters is permitted, because the sensitivity study showed that the model was insensi- tive to the plant ...and a radiation deficit occur ... Lihat dokumen lengkap

... is a require- ment for improved designs of vent opening, which would reduce the mean wind speed and the turbulence within the greenhouse ...be a valuable tool for analysing and designing better greenhouse ... Lihat dokumen lengkap

... via Eq. (2)) and as such are fairly accurate. However, the proportions that BAI were of LAIe (Tables 1 and 3) should be taken as approximate, rather than quan- titatively accurate because many boles will obscure foliage ... Lihat dokumen lengkap

... for a vegetation type, indirect methods should provide reliable results whereas allometric methods often remain site-and ...in a closed or nearly closed canopy generally meet the assumption of randomly ... Lihat dokumen lengkap

... of a 6-m long horizontal bar placed perpendicularly to the rows inside the willow plantation with a sensor carriage moving along it at 30 mm s − 1 ...PAR, a miniature Reemann net ra- diometer (MB-1) ... Lihat dokumen lengkap

... with a high spatial resolution is often seen as a prerequisite for ecological research ...atmospheric data with the necessary spatial resolution in remote ...running a fully instrumented ... Lihat dokumen lengkap

... with a PAR quan- tum sensor, calibrated in quantum units, and the inte- gral irradiance I E with a pyranometer and to find their ratio (Howell et ...the data of spectral irra- diance I(λ) for ... Lihat dokumen lengkap

... Saxton et al., 1986). These attempts have not been completely successful (e.g. Ahuja et al., 1985). Nev- ertheless, the relationship between soil water content and soil water potential is strongly dependent on soil ... Lihat dokumen lengkap

... in a young beech stand growing at low elevation, in the Hesse ...showed a general pattern of sap flux density in relation to the depth below ...0.77. A strong canopy coupling to the atmosphere was ... Lihat dokumen lengkap

... over a pasture field in the south of England for 3 years, covering two dry years, 1995 and 1996 and a more normal year, ...The data show that, overall, approximately 80% of the measured net radiation ... Lihat dokumen lengkap

... and a closed-path infrared gas analyser (LI-COR 6262, Licor ...and a 7 m long heated Teflon (PTFE) tube (inner diameter of 4 mm) is used to sample air from near the anemometer (tube inlet fixed below the ... Lihat dokumen lengkap

... rain forest biome for 1 year were compared with similar measurements made in the Amazon rain ...rain forest, the overlying glass and supporting structure significantly reduces (by approximately a ... Lihat dokumen lengkap