*** Taxonomy Characterization Data ***

Pedon ID: 79CA001000

( Alameda, California )

Print Date: Nov 27 2024 3:36AM

Sampled as on Sep 29, 1979:	Pleasanton
Revised to correlated:	Pleasanton ; Fine-loamy, mixed, thermic Mollic Haploxeralfs

				United States Department of Agriculture
SSL	-	Project	CP79CA152   ERODIBILITY STUDY, CAL-DAVIS	Natural Resources Conservation Service
	-	Site ID	S1979CA001000   Lat: 37° 39' 14.67" north  Long: 121° 43' 1.70" west  MLRA: 14	National Soil Survey Center
	-	Pedon No.	79P0185	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

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Taxonomy Tier 1				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-
					Fine	CaCO3	1500		.1-75	Bulk	Cole	Vol	Resist
				Clay	Clay	Clay	kPa	Clay	mm	Den	Whole	% of	Min
	Depth			<.002	<.0002	<.002	/Clay	Est	Frac	33 kPa	Soil	Whole	%
Layer	(cm)	Horz	Prep	(---------% of <2 mm-------)				(-------- % --------)		g cm-3	cm cm-1
				3A1a1a			8D1			4A1d
79P00904	0-0	Bt1	S	22.3			0.36		47	1.71	0.025	16
79P00905	0-0	Bt2	S	25.6			0.34		46	1.70	0.022	17
79P00906	0-0	Bt3	S	18.9			0.38		40	1.60	0.019	12
79P00907	0-0	B	S	17.7			0.40		45	1.59	0.026	9

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Taxonomy Tier 2				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-
				pH	pH	Org	Tot	Al+½ Fe		CO3 as	(--- Base Sat ---)		NZ	ECEC	CEC7	ECEC	Al
	Depth			H2O	NaF	C	C	Oxal	ODOE	CaCO3	NH4	Bases	P Ret	cmol(+)	/Clay	/Clay	Sat	E C	ESP
Layer	(cm)	Horz	Prep			(------------------------------------------ % --------------------------------------------)								kg -1			%	dS m-1	%
				8C1a		6A1c				6E1b	5C1	5C3			8D1				5D2
79P00904	0-0	Bt1	S	7.0		0.38				--	90	84			0.67				1
79P00905	0-0	Bt2	S	7.3		0.27				--	98	89			0.68				1
79P00906	0-0	Bt3	S	7.5		0.19					100*	92			0.86				1
79P00907	0-0	B	S	7.7		0.12				--	100*	95			0.85				1

^*Extractable Ca may contain Ca from calcium carbonate or gypsum.

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