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Start Over Coverage 3-14

12. Robin Hill, F. R. S.: A Cambridge neighbour´s appreciation of a great man and his hemispherical camera

Creator:
Anderson, C.
Format:
print
Type:
model:internalpart and TEXT
Language:
Multiple languages
Description:
Personal recollections of Robin Hill as a friend, teacher, farmer, neighbour, botanist, meteorologist and photographer, and of Cambridge University and town atmosphere during the World War II and after it are combined with the author's experience with Hill´s "fish-eye" lens used for hemispherical photography and analysis of plant stand structure
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

13. Schellackia ptyodactyli sp. n, of the fan-footed gecko Ptyodactylus hasselquistii from the rift escarpment of the lower Jordan Valley

Creator:
Paperna, Ilan and Finkelman, Simcha
Format:
print
Type:
model:internalpart and TEXT
Subject:
Schellackia ptyodactyli sp. n., Ptyodactylus hasselquistii, lower Jordan Valley, endogenous development, and ultrastructure
Language:
English
Description:
Schellackia ptyodactyli sp. n. is described from the fan-footed gecko Ptyodactylus hasselquistii (Donndorf) found the lower Jordan Valley, Cis-Jordan. Endogenous development was studied in geckoes necropsied 7-11 days after being inoculated with blood containing sporozoites from naturally infected geckoes of the same species. Merogony and gamogony/oogony stages, as well as sporozoites, are described by light and electron microscopy. Merogony stages, microgamonts and sporozoites conformed in fine structure to that of other eimerian coccidia. whereas wall forming bodies of the macrogamonts showed some divergence from the general pattern characteristic of eimerians and Schellackia cf. agamae. Merogony stages occurred simultaneously with gamonts and sporozoites. In the blood, sporozoites entered leucocytes, thrombocytes and erythrocytes. Parasitaemia persisted for up to 2 years in some naturally infected geckoes in captivity.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

14. The influence of effective rainfall on modeled runoff hydrograph

Creator:
Šraj, Mojca, Dirnbek, Luka, and Brilly, Mitja
Format:
bez média and svazek
Type:
model:article and TEXT
Subject:
rainfall loss model, rainfall temporal variability, maximum rainfall position, rainfall runoff relationship, synthetic hyetograph, HEC-HMS, model odtoku, časová závislosť rozdelenia intenzít zrážok, čas maximálnej intenzity zrážky, závislosť zrážka-odtok, and syntetický hyetograf
Language:
Slovak
Description:
Influence of the pattern of effective rainfall on modeled hydrograph was investigated in the study. The modelling was performed with the U.S. Army Corps of Engineers hydrograph package HEC-HMS 3.2 and calibrated and validated on measured hydrographs of Glinscica watershed. Six different models of rainfall loss were applied and their effect on modeled hydrograph was evaluated. Peak discharge, time of peak discharge and runoff volume were compared. The best results with the lowest RMSE in the study was obtained with the SCS curve number loss method. Also synthetic hyetographs of different probability and duration were used. Three positions of the maximum rainfall intensity at 25, 50 and 75 % of the rainfall duration were applied. The results showed essential differences in simulated time to peak and also differences in peak discharge. The differences in time to peak increases considerably with the increasing of the rainfall duration. Finally, the results of constant intensity distribution of rainfall of different durations were compared with those obtained with typical rainfall distribution with the position of the maximum intensity at 50 %. Results showed considerable differences in peak discharge and time to peak by longer durations of the rainfall. and Práca obsahuje výsledky výskumu vplyvu efektívnych zrážok na modelovaný hydrograf. Odtok bol modelovaný pomocou nástroja U.S. Army Corps of Engineers hydrograph package HEC-HMS 3.2, potom kalibrovaný a verifikovaný na meraných hydrografoch povodia Glinscica. Vplyv zrážok na modelovaný hydrograf bol vypočítaný pre šesť rôznych modelov priebehu zrážok. Porovnali sme maximálne prietoky, časy ich trvania a odtečené množstvá. Najlepšie výsledky s najnižším RMSE sme získali s SCS modelom odtoku. Použili sme tiež syntetické hyetografy rozdielnej pravdepodobnosti a trvania. Použili sa tri polohy maximálnych intenzít zrážok; pre 25, 50 a 75 % ich trvania. Výsledky ukázali zásadný rozdiel v simulovaných časoch maximálneho prietoku a tiež rozdiely v maximálnych prietokoch. Rozdiely v časoch dosiahnutia maximálnych odtokov sa výrazne zvyšovali s časom trvania zrážky. Nakoniec sme porovnali výsledky výpočtov s konštantnými intenzitami rozdelenia s rôznym trvaním zrážky s tými, ktoré boli vypočítané s použitím typických rozdelení, s polohou maximálnej intenzity zrážok pri 50 % ich trvania. Výsledky ukazujú významné rozdiely v maximálnych prietokoch a v časoch ich dosiahnutia v závislosti od trvania zrážky.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public