Table 2. Partial description of the Merrimac soil series. The Merrimac series co
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Question
Table 2. Partial description of the Merrimac soil series. The Merrimac series consists of very deep, somewhat excessively drained soils formed in outwash. They are nearly level through very steep soils on outwash terraces and plains and other glaciofluvial landforms. Slope ranges from 0 through 35%. Saturated hydraulic conductivity is high or very high. Mean annual temperature is about 48o F (9o C) and mean annual precipitation is about 42 inches (1067 mm).
TAXONOMIC CLASS: Sandy, mixed, mesic Typic Dystrudepts
TYPICAL PEDON: Merrimac fine sandy loam cultivated, at an elevation of about 122 m. (Colors are for moist soil.)
Ap -- 0 to 10 inches (0 to 25 cm); very dark grayish brown (10YR 3/2) fine sandy loam, light brownish gray (10YR 6/2) dry; weak fine and medium granular structure; very friable; many fine roots; 10% fine gravel; strongly acid; abrupt smooth boundary. (1 to 14 inches (3 to 36 cm) thick.)
Bwl -- 10 to 15 inches (25 to 38 cm); brown (7.5YR 4/4) fine sandy loam; weak fine and medium granular structure; very friable; common fine roots; 10% fine gravel; strongly acid; clear wavy boundary.
Bw2 -- 15 to 22 inches (38 to 56 cm); dark yellowish brown (10YR 4/4) gravelly sandy loam; weak fine and medium granular structure; very friable; few fine roots; 15% gravel; strongly acid; clear wavy boundary.
Bw3 -- 22 to 26 inches (56 to 66 cm); dark yellowish brown (10YR 4/4) gravelly loamy sand; very weak fine granular structure; very friable; few fine roots; 25 percent gravel; moderately acid; clear wavy boundary. (Combined thickness of the Bw horizons is 6 to 34 inches (15 to 86 cm)).
2C -- 26 to 65 inches (66 to 165 cm); 80% yellowish brown (10YR 5/4) and 20% dark grayish brown (10YR 4/2) very gravelly sand; single grain; loose; stratified; few fine roots in upper 4 inches; 40% gravel, 10% cobbles; moderately acid.
The O horizon, where present, ranges in thickness from 2 through 5 inches (4 through 13 cm). They have hue 2.5YR through 10YR, value 2 or 3, and chroma 1 through 3. They are fibric, hemic, or sapric material.
42. What sorts of information does the Web Soil Survey have on Merrimac soils?
43. You’ve found your house on the Web Soil Survey, and it looks like the soil in your backyard is a Merrimac. How certain can you be that the soil is in the Merrimac series?
44. To what soil order does the Merrimac soil belong?
45. What do you know about Merrimac soils based on their soil order?
46. What is the temperature regime of the Merrimac soil?
47. What sort of information would not be useful in classifying the Merrimac soil?
Explanation / Answer
42. What sorts of information does the Web Soil Survey have on Merrimac soils?
Merrimac soils deeps soil formed due to highly drained soils outwash, steep level soils on outwash terraces, plains and other glacial landforms.
43. You’ve found your house on the Web Soil Survey, and it looks like the soil in your backyard is a
Merrimac. How certain can you be that the soil is in the Merrimac series?
Soil on backyard of my house is Merrimack because it is having deep thickness, steep slopes, formed due to excessive drained soil outwash. The soil thickness is almost 65 inches. Top soil is dark greyish fine sandy loam and bottom soil is yellowish brown gravely sand with cobbles. The soil has 5 different textural and color layers within 65 inches thickness.
44. To what soil order does the Merrimac soil belong
The Merrimac soil belong to Gelisols order soils which form in glaciofluivatile regions with steep slops.
45. What do you know about Merrimac soils based on their soil order?
Merrimac soil formed in cold region in glacial terrains. The soil thickness is around 65 inches. They have steep slope.
46. What is the temperature regime of the Merrimac soil?
The mean annual temperature is about 48° F (9° C)
Temperature regime is the Merrimac soil is Mesic. The temperature in mesic is
+Mesic = 47 to 59 degrees F (8 to 15 degrees C)
Less than < 47° F is frigid regime
47. What sort of information would not be useful in classifying the Merrimac soil?
Precipitation, and temperature may not be useful to classify Merrimac soils
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