[PDF] Top 20 Directory UMM :Data Elmu:jurnal:A:Agricultural & Forest Meterology:Vol102Issue2-3May2000:

... In order to determine the instrument sensitivity, the filter covers’ transparency and instrument’s sensitivity were comparatively standardized in plain area (Bei- jing, China) and Tibet Plateau (Lhasa). The sensitivity ... Lihat dokumen lengkap

... is a key problem in the description of forest canopies, and, as expected, measurement uncertainty was greater here in the more open and spatially heterogeneous canopies (Table ...attaching a sensor ... Lihat dokumen lengkap

... The data analysis involved the estimation of day- time (07:00–18:00 hours) values of (i) 20 min and hourly latent heat fluxes, (ii) average evaporation for the three periods of data collection and (iii) ... Lihat dokumen lengkap

... this forest are the moderately low relative values ...with a distinct peak of signif- icant magnitude in late ...the forest floor in late spring is a result of three pro- cesses in this ... Lihat dokumen lengkap

... 1963). A higher vertical wind-speed gradient near the surface leads to lifting sand grains as a result of the Bernoulli effect, and the shear stress to move the sand grain forward (Pye and Tsoar, 1990; McE- ... Lihat dokumen lengkap

... of a month were assigned to the following month in order not to overestimate the actual starting ...station data set vary considerably by 30–80 ...For a given accumulated temperature, BGS occurs up ... Lihat dokumen lengkap

... had a 75 mm diameter chromel/constantan ther- mocouple installed within its protective cap near it to convert relative humidity to vapour ...regimes. A 1 mm diameter wire was wrapped around each probe and ... Lihat dokumen lengkap

... Unique features of the model include accounting for upper-surface and lower-surface mulch element temperatures using effective view factors and neglecting all shortwave reflections beyond secondary ones, so that ... Lihat dokumen lengkap

... bare agricultural fields. First, litter cov- ers forest soils and its presence insulates the soil, al- ters its albedo and affects the diffusion of heat and ...has a higher albedo, a lower ... Lihat dokumen lengkap

... Assuming L t /U t = 0, Eqs. (6a) and (6b) are valid only if the separation distance is not too great. In fact, the same constraint applies to all other transfer functions shown in Table 1 that are associated with ... Lihat dokumen lengkap

... with a very strong water con- straint did not take much advantage of the ventilation, but did as well as trees in unventilated ...with a very low soil water availability) on tree ... Lihat dokumen lengkap

... As interested outsiders, rather than model users, what do we learn about the bewildering array of cur- rent models, their goals, developments and outlooks? The focus is on processes that produce structure in the ... Lihat dokumen lengkap

... exists a specific layer inside willow coppice (between τ =2 and 4), where the total number of short sunflecks, umbra fractional area as well as the num- ber of umbrae ...ert a maximum effect in this ... Lihat dokumen lengkap

... these data in spatially-explicit, process-based model- ing of stand transpiration may be one approach to pur- sue in attempting to better understand how water use is influenced by the arrangement of trees within ... Lihat dokumen lengkap

... on a global basis, as there is likely to be considerably more error in the input ...observational data (which have wind profiles above the canopy and measured CAR, plant spacing, LAI and height) are ... Lihat dokumen lengkap

... with a similar ...is a colour spectacular that I would recommend to anyone inter- ested in climate and the biosphere, even the ...in a way that you can get something out of it even if you only have ... Lihat dokumen lengkap

... in a com- parative way, this method can be used without intro- ducing larger errors than when using standard flow meters combined with the measured temperature dif- ference over the heating system (Knies et ...As ... Lihat dokumen lengkap

... in a fundamental conservation of energy equation to estimate sensible heat flux ...requires a correction for uneven heating ...in a sparse canopy and to determine if calibration is ...renewal ... Lihat dokumen lengkap

... of agricultural lands are subject to seasonal, relatively thin snow ...porate a sophisticated snow cover routine into the atmosphere–land exchange (ALEX) model to simulate snow depths and dynamics of the ... Lihat dokumen lengkap

... The crop model CERES v.3.5 embodies a number of simplifications. For example, the impacts of weeds, diseases, and insect pests on crop growth, develop- ment, and final yield formation were assumed to be ... Lihat dokumen lengkap