Pedotransfer functions for the hydraulic properties of layered soils

ÖZTEKİN, Tekin; BROWN, C. Larry; CEMEK, Bilal

Pedotransfer functions for the hydraulic properties of layered soils

Tekin ÖZTEKİN, (Gaziosmanpaşa Üniversitesi, Ziraat Fakültesi, Tarımsal Yapılar ve Sulama Bölümü, Tokat, Türkiye)

Bilal CEMEK, (Gaziosmanpaşa Üniversitesi, Ziraat Fakültesi, Tarımsal Yapılar ve Sulama Bölümü, Tokat, Türkiye)

C. Larry BROWN (Department, of Food Agricultural and Biological Engineering OARDC/The Ohio State Üniversitesi, Wooster, Ohio 44691, Amerika)

Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi

2 0

Yıl: 2007 Cilt: 24 Sayı: 2 Sayfa Aralığı: 77 - 86 Metin Dili: Türkçe İndeks Tarihi: 29-07-2022

Pedotransfer functions for the hydraulic properties of layered soils

Öz:

Bu çalışmada, göl orijinli Kuzeybatı Ohio’daki bir ovanın dokuz profiline ait 34 horizonundan alınan toprak örneklerinde ölçülmüş basit toprak fiziksel ve kimyasal özellikleri kullanılarak, düşey doygun hidrolik iletkenlik, 0- (doygun), 60- (drene edilebilir porozite), 100-, 330- (tarla kapasitesi), 1000-, ve 15000-cm (devamlı solma noktası) emme basınçlarındaki su içerikleri için pedotransfer eşitlikleri geliştirilmiştir. Bu işlemde, stepwise yöntemli çoklu doğrusal regresyon analiz yöntemi kullanılmıştır. Geliştirilen eşitliklerin doğrulukları, Tokat merkeze yakın alüvyal Yeşilırmak vadisinde açılan beş profilin 19 horizonuna ait toprak örneklerinde ölçülmüş, düşey doygun hidrolik iletkenlik, 330- ve 15000-cm emme basınçlarına karşılık toprakta tutulan su içerikleri kullanılarak değerlendirilmiştir. Hidrolik iletkenlik ve tarla kapasitesi (330-cm) için geliştirilmiş eşitlikler sırasıyla düşük ve yüksek sonuçlar üretmiştir. Devamlı solma noktası (15000-cm) için geliştirilmiş eşitlikler ise orta derecede iyi sonuçlar üretmiştir.

Anahtar Kelime: horizonlar katmanlı topraklar toprak fiziksel özellikleri gözeneklilik su miktarı hidrolik iletkenlik drenaj doygunluk

Konular: Ziraat Mühendisliği

Katmanlı toprakların hidrolik özellikleri için pedotransfer eşitlikler

Öz:

In this study, the pedotransfer functions for the vertical saturated hydraulic conductivity, water contents at the suctions of 0- (saturation), 60- (drainable porosity), 100-, 330- (field capacity), 1000-, and 15000-cm (permanent wilting point) were developed using easily measurable soil physical and chemical properties obtained from 34 horizons of nine profiles from a lake origin of Northwest Ohio plain. For this analysis, the multiple-linear regression analysis by stepwise method was employed. The accuracy of these functions were evaluated using the measured vertical saturated hydraulic conductivity and water contents at the field capacity and wilting points from the soils of 19 horizons of five profiles of an alluvial Yeşilırmak River valley close to the downtown of Tokat city. The results of evaluation showed that the developed pedotransfer functions for the vertical saturated hydraulic conductivity and field capacity produced under and over predictions, respectively. The developed pedotransfer functions for the wilting point yielded fair results.

Anahtar Kelime: water content hydraulic conductivity drainage saturation horizons layered soils soil physical properties porosity

Konular: Ziraat Mühendisliği

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	ÖZTEKİN T, CEMEK B, BROWN C (2007). Pedotransfer functions for the hydraulic properties of layered soils. , 77 - 86.
Chicago	ÖZTEKİN Tekin,CEMEK Bilal,BROWN C. Larry Pedotransfer functions for the hydraulic properties of layered soils. (2007): 77 - 86.
MLA	ÖZTEKİN Tekin,CEMEK Bilal,BROWN C. Larry Pedotransfer functions for the hydraulic properties of layered soils. , 2007, ss.77 - 86.
AMA	ÖZTEKİN T,CEMEK B,BROWN C Pedotransfer functions for the hydraulic properties of layered soils. . 2007; 77 - 86.
Vancouver	ÖZTEKİN T,CEMEK B,BROWN C Pedotransfer functions for the hydraulic properties of layered soils. . 2007; 77 - 86.
IEEE	ÖZTEKİN T,CEMEK B,BROWN C "Pedotransfer functions for the hydraulic properties of layered soils." , ss.77 - 86, 2007.
ISNAD	ÖZTEKİN, Tekin vd. "Pedotransfer functions for the hydraulic properties of layered soils". (2007), 77-86.

APA	ÖZTEKİN T, CEMEK B, BROWN C (2007). Pedotransfer functions for the hydraulic properties of layered soils. Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi, 24(2), 77 - 86.
Chicago	ÖZTEKİN Tekin,CEMEK Bilal,BROWN C. Larry Pedotransfer functions for the hydraulic properties of layered soils. Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi 24, no.2 (2007): 77 - 86.
MLA	ÖZTEKİN Tekin,CEMEK Bilal,BROWN C. Larry Pedotransfer functions for the hydraulic properties of layered soils. Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi, vol.24, no.2, 2007, ss.77 - 86.
AMA	ÖZTEKİN T,CEMEK B,BROWN C Pedotransfer functions for the hydraulic properties of layered soils. Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi. 2007; 24(2): 77 - 86.
Vancouver	ÖZTEKİN T,CEMEK B,BROWN C Pedotransfer functions for the hydraulic properties of layered soils. Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi. 2007; 24(2): 77 - 86.
IEEE	ÖZTEKİN T,CEMEK B,BROWN C "Pedotransfer functions for the hydraulic properties of layered soils." Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi, 24, ss.77 - 86, 2007.
ISNAD	ÖZTEKİN, Tekin vd. "Pedotransfer functions for the hydraulic properties of layered soils". Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi 24/2 (2007), 77-86.