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Minimum Standard (Legend, Mapunit, Data Mapunit)

The NASIS data elements that make up a defined minimum standard to support current national programs are shown in the table below. The standard includes data elements from National Bulletin 430-5-7 (SOI Soil Information in Field Office Technical Guides) and other data elements that support current national interpretations, required national NASIS calculations (per NB 430-14-3 SOI-Calculated Soil Interpretation Factors in NASIS), and the Conservation Assessment Ranking Tool (CART).  

Data integrity check reports are provided to ensure data comply to this minimum standard.  These reports identify potential errors, omissions, and inconsistencies in NASIS database population. The reports are accessed through the NASIS Data Integrity Report Site. An individual report will assess the data integrity of one or a few interrelated data elements, therefore many reports will be developed but only a select few are currently available. The available reports are marked “Ready to Use” in NASIS and listed in the last three columns in the table below for the data element and type of check in which they apply. The number of reports will increase with time as new reports become available. For more details, refer to the data integrity report named “Read First About Data Integrity Reports.”

Application: The primary intent is to apply this minimum standard to official data that already exist in NASIS. Any new mapunits or new data mapunits should meet the population requirements of a full standard, such as NI430-305 Exhibit A, or a similar full standard.

Minimum Standard. Build Date: December 2018

NASIS Table

Data Element

Data Population Guidance UNDER DEVELOPMENT

Population sequence

NASIS Table ACRONYM

CHECK Report - Empty Table

CHECK Report - NULL

CHECK Report - Data Quality

Mapunit

Mapunit NASIS Site

A Mapunit and its Rep DMU should be in the same NASIS Site

01

M

   

01aM-Mapunits with Data Mapunits in Different NASIS Site

Correlation

Representative DMU

The DMU that is representative of the map unit is checked as the Rep DMU. Only one DMU is checked as Rep.

01

COR

01COR-RV DMU NOT Indicated, Is Missing, or Has Multiple RVs

 

01COR-RV DMU NOT Indicated, Is Missing, or Has Multiple RVs

Data Mapunit

DMU NASIS Site

A Mapunit and its Rep DMU should be in the same NASIS Site

01

D

     

Data Mapunit

DMU Description

Under Development

01

D

Under Development

   

Data Mapunit

Order of Mapping

 

01

D

     

Component

All

Find DMUs with no or empty Component Table

01

D

01Ca-Component Table is Missing

   

Horizon

All

Find Components with Taxon of series, taxadjunct, family, taxon above family, or variant (obsolete) that have no, or empty, Horizon Table

01

H

01Cb-Horizon Table is Missing

   

Component

Component Name

 

02

C

 

02Cb-Compname Contains Local Phase or is NULL

02Cc-Major Compname NOT Consistent with Mapunit Name

Component

Taxon Kind

 

03

C

 

03Ca-Component taxon kind is NULL

03C-Component Taxon Kind Equals Series and No OSD; 03C-Miscellaneous Area Names Not Approved

Component

Major Component Flag

 

04

C

   

04Ca-DMU with No Major Component; 04Cb-Majorcompflag NOT Indicated or is Minor Comp

Component

Comp % (RV)

 

05

C

 

05Ca-RV Component Percent is NULL or Zero

05Cb-RV Component Percent NOT Equal 100; 05Cc-Identical Major RV Component Percents in Same DMU

Component

Local Phase

Used only when needed to distinguish various component phase criteria

05

C

     

Component

MAAT (L,RV,H)

 

06

C

     

Component

MAP (L,RV,H)

 

06

C

     

Component

Frost Free Days (L,RV,H)

 

06

C

     

Component

Slope Gradient (L,RV,H)

 

06

C

     

Component

Erosion Class

 

06

C

     

Component

Drainage Class

 

06

C

     

Component

Order

 

07

C

     

Component

Suborder

 

08

C

     

Component

Great Group

 

09

C

     

Component

Subgroup

 

10

C

     

Component

Particle Size

 

11

C

     

Component

CEC Activity Class

 

11

C

     

Component

Reaction

 

11

C

     

Component

Temp Class

 

11

C

     

Component

Temp Regime

 

11

C

     

Component

HAHT Material Class

Populated only for certain subgroups (those listed on pp. 323-324 KST 12 Ed.) or soils with HAHT from soil surface to 50 cm or to a root limiting layer, whichever is shallower; otherwise is NULL.

11

C

     

Component Taxonomic Family Mineralogy

Mineralogy

 

12

CTFM

     

Component Taxonomic Moisture Class

Moisture Class

 

12

CTMS

     

Component Tax Family Other

Family Other

 

12

CTFO

     

Component

Keys to Taxonomy Edition

 

13

C

     

Component

Taxonomic Classification

 

14

C

     

Component Geomorphic Description

Representative?, Feature Type, Feature Name, Feature Id and Exists on Feature ID for a Landscape row and a Landform row

 

15

CGD

     

Component 3D Surface Morphometry

Hills, Terraces, Mountains, or Flats as applicable (for the Landform Feature)

 

16

C3D

     

Component 2D Surface Morphometry

Hillslope Profile (for the Landform Feature)

 

16

C2D

     

Component Slope Shape Morphometry

Across and Up/Down (for the Landform Feature)

 

16

CSS

     

Component Parent Material Group

Parent Material Group Name

 

17

CPMG

     

Component Parent Material

Kind, Origin

 

18

CPM

     

Component Parent Material Group

Representative

 

19

CPMG

     

Component Month

Month

 

20

CM

     

Component Month

12 Months Flooding Frequency and Duration

 

21

CM

     

Component Month

12 Months Ponding Frequency, Duration and Depth (L,RV,H)

 

21

CM

     

Component Soil Moisture

Moisture Status

Required if status = wet.

22

CSM

     

Component Soil Moisture

Top Depth (L,RV,H)

 

22

CSM

     

Component Surface Fragments

Cover % and Size (L,RV,H)

 

23

CSF

     

Component Restrictions

Kind, Top Depth (L,RV,H), Hardness

 

24

CR

     

Component

Albedo Dry (RV)

 

25

C

     

Component

Aspect (RV), Clockwise, Counter Clockwise

 

25

C

     

Component

Hydric Rating

 

25

C

     

Component Hydric Criteria

Hydric Criterion

 

26

CHC

     

Horizon

Top Depth (RV)

 

27

H

     

Horizon

Bottom Depth (RV)

 

27

H

     

Horizon

Thickness (RV)

 

28

H

     

Horizon

Disc, Master, Prime, Sub

 

29

H

     

Horizon

Designation Suffix

 

29

HDS

     

Horizon

Designation

H1, H2, etc. are acceptable. However, organic horizons must have Master populated as O, plus suffix then Horizon Designation calculated; and bedrock layers must be populated as Cr or R, with appropriate Master and suffix populated then Horizon Designation calculated.

30

H

     

Horizon

Total Sand (RV)

 

31

H

     

Horizon

Sand Fractions (RV)

 

32

H

     

Horizon

Total Clay (L,RV,H)

 

33

H

     

Horizon

Total Silt (RV)

 

34

H

     

Horizon Texture

Texture or In Lieu Term

 

35

HT

   

01cc-35HTa-Obsolete Lieutex; 35HTb-Texture Class and Lieutex in Same Row; 35HTc-Multiple Tex Classes/Lieutex Terms and NOT Stratified; 35HTd-RV Texture Class not Consistent with RV Particle Size

Horizon Texture Modifier

Horizon Texture Modifier

 

36

HTM

     

Horizon Texture Group

Tex Mod & Class & Representative

 

37

HTG

37HTGa-Texture Group Table is Missing

37HTGc-Texture Group NOT Calculated or is NULL

37HTGb-RV Texture NOT Indicated or Multiple RVs Indicated; 37HTGd-Stratified Single Textures

Horizon Fragments

Vol % and Size (L,RV,H), kind, shape, and hardness

 

38

HF

     

Horizon

Organic Matter (L,RV,H)

 

39

H

     

Horizon

Bulk Density 0.33 bar (L,RV,H)

 

40

H

     

Horizon

Rock fragments >10 inches and 3-10 inches (L,RV,H)

 

41

H

     

Horizon

Sieves #4, #10, #40, #200 (L,RV,H)

 

42

H

     

Horizon

pH H2O (L,RV,H)

The Data Integrity Check reports focus on mineral soils

43

H

     

Horizon

pH CaCl2 (L,RV,H)

The Data Integrity Check reports focus on organic layers

44

H

     

Horizon

Gypsum (L,RV,H)

 

45

H

     

Horizon

CaCO3 (L,RV,H)

 

46

H

     

Horizon

SAR (L,RV,H)

 

47

H

     

Horizon

ESP (L,RV,H)

 

48

H

     

Horizon

EC (L,RV,H)

 

49

H

     

Horizon

Ksat (L,RV,H)

 

50

H

     

Horizon Structure Group

Structure

 

51

HSGR

     

Horizon Structure

Grade, Size, Type

 

52

HS

     

Horizon Structure

Structure ID and Parts to Structure ID where applicable

 

52

HS

     

Horizon Structure Group

Representative

 

53

HSGR

     

Horizon

CEC or ECEC (L,RV,H)

 

54

H

     

Horizon

LEP (L,RV,H)

 

55

H

     

Horizon

Db oven dry (RV)

 

56

H

     

Horizon

Water Contents, 0.33, 0.10 (for sands), 15 Bar, Satiated (RV)

 

57

H

     

Horizon

LL and PI (L,RV,H)

 

58

H

     

Horizon

Kw, Kf

 

59

H

     

Horizon

Sum of Bases (L,RV,H)

 

60

H

     

Horizon

AWC (L,RV,H)

 

61

H

     

Horizon AASHTO

AASHTO (RV)

 

62

HA

     

Horizon

AASHTO Group Index (L,RV,H)

 

63

H

     

Horizon Unified

Unified (RV)

 

64

HU

     

Component

Cover Kind 1

 

65

C

     

Component

HSG (Hydrologic Soil Group)

 

66

C

     

Component

Concrete Corrosion

 

66

C

     

Component

Steel Corrosion

 

66

C

     

Component

T Factor

 

66

C

     

Component

WEG/WEI

 

66

C

     

Component

Frost Action

 

66

C

     

Component

Non-irrigated Land Capability Class

 

67

C

     

Component

Non-irrigated Land Capability Subclass

 

67

C

     

Component

Irrigated Land Capability Class

Populated for components suited to irrigation; otherwise, NULL.

67

C

     

Component

Irrigated Land Capability Subclass

Populated for components suited to irrigation; otherwise, NULL.

67

C

     

Component Text

Generated Brief Soil Description

 

69

C

     

Component

Range Productivity (If applicable)

 

69

C

     

Component Ecological site

Ecological Site (if available)

 

69

CES

     

Component

Check Remaining Child Tables

 

70

C

     

Mapunit

Mapunit Name

 

71

M

     

Mapunit

Kind

 

72

M

     

Legend

Area Symbol

 

74

L

     

Legend

Area Name

 

74

L

     

Legend

Geographic Applicability

 

75

L

     

Legend

Project Scale

 

76

L

     

Legend

MLRA Office

 

76

L

     

Legend Mapunit

Mapunit name

 

77

LM

     

Legend Mapunit

Mapunit Symbol

 

78

LM

     

Legend Mapunit

Status

 

79

LM

     

Legend Mapunit

Total Acres

 

80

LM

     

Legend Mapunit

Farm Class

 

81

LM

     

Legend Area Overlap

Overlap Area Symbol

Required Area Types=MLRA, State, County.

82

LAO

     

Legend Mapunit Area Overlap

Mapunit Symbol

 

83

LMAO

     

Data Mapunit Certification History

Certification Date, Certification Kind, Certification Status, Certification Text

Certification Date, Certification Kind=quality control, Certification Status=certified, all components or certified, major components, Certification Text=Statement indicating data population errors have been resolved and the DMU meets this Minimum Standard

84

DCH